diff --git a/README.md b/README.md
index 4270b69..dc3e39a 100644
--- a/README.md
+++ b/README.md
@@ -246,6 +246,16 @@ const pubSub = new PgPubSub({ pgClient: existingClient });
 > connection approach. And this library as well. It is just more simple and 
 > reliable.
 
+Also, PgPubSub supports execution lock. This means all services become listeners
+in single listener mode but only one listener can process a notification. To
+enable this feature, you can bypass `executionLock` as option and set it to
+`true`. By default, this lock type is turned off.
+
+> **NOTE:** Sometimes you might receive the notification with the same payloads
+> in a very short period of time but execution lock will process them as the
+> only notify message. If this important to you and your system will lave data
+> leaks you need to ensure that payloads are unique.
+
 ## [Full API Docs](https://github.com/imqueue/pg-pubsub/wiki)
 
 You may read API docs on [wiki pages](https://github.com/imqueue/pg-pubsub/wiki)
diff --git a/package-lock.json b/package-lock.json
index a6a1b6b..4a12342 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -12,6 +12,7 @@
         "@types/node": "^17.0.29",
         "@types/pg": "^8.6.5",
         "@types/pg-format": "^1.0.2",
+        "murmurhash-native": "^3.5.0",
         "pg": "^8.7.3",
         "pg-format": "^1.0.4",
         "uuid": "^8.3.2"
@@ -991,6 +992,11 @@
       "integrity": "sha512-sL/cEvJWAnClXw0wHk85/2L0G6Sj8UB0Ctc1TEMbKSsmpRosqhwj9gWgFRZSrBr2f9tiXISwNhCPmlfqUqyb9Q==",
       "dev": true
     },
+    "node_modules/abbrev": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/abbrev/-/abbrev-1.1.1.tgz",
+      "integrity": "sha512-nne9/IiQ/hzIhY6pdDnbBtz7DjPTKrY00P/zvPSm5pOFkl6xuGrGnXn/VtTNNfNtAfZ9/1RtehkszU9qcTii0Q=="
+    },
     "node_modules/acorn": {
       "version": "8.7.0",
       "resolved": "https://registry.npmjs.org/acorn/-/acorn-8.7.0.tgz",
@@ -1063,7 +1069,6 @@
       "version": "5.0.1",
       "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.1.tgz",
       "integrity": "sha512-quJQXlTSUGL2LH9SUXo8VwsY4soanhgo6LNSm84E1LBcE8s3O0wpdiRzyR9z/ZZJMlMWv37qOOb9pdJlMUEKFQ==",
-      "dev": true,
       "engines": {
         "node": ">=8"
       }
@@ -1108,12 +1113,26 @@
         "node": ">=8"
       }
     },
+    "node_modules/aproba": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/aproba/-/aproba-1.2.0.tgz",
+      "integrity": "sha512-Y9J6ZjXtoYh8RnXVCMOU/ttDmk1aBjunq9vO0ta5x85WDQiQfUF9sIPBITdbiiIVcBo03Hi3jMxigBtsddlXRw=="
+    },
     "node_modules/archy": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/archy/-/archy-1.0.0.tgz",
       "integrity": "sha1-+cjBN1fMHde8N5rHeyxipcKGjEA=",
       "dev": true
     },
+    "node_modules/are-we-there-yet": {
+      "version": "1.1.7",
+      "resolved": "https://registry.npmjs.org/are-we-there-yet/-/are-we-there-yet-1.1.7.tgz",
+      "integrity": "sha512-nxwy40TuMiUGqMyRHgCSWZ9FM4VAoRP4xUYSTv5ImRog+h9yISPbVH7H8fASCIzYn9wlEv4zvFL7uKDMCFQm3g==",
+      "dependencies": {
+        "delegates": "^1.0.0",
+        "readable-stream": "^2.0.6"
+      }
+    },
     "node_modules/arg": {
       "version": "4.1.3",
       "resolved": "https://registry.npmjs.org/arg/-/arg-4.1.3.tgz",
@@ -1189,8 +1208,7 @@
     "node_modules/balanced-match": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.2.tgz",
-      "integrity": "sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw==",
-      "dev": true
+      "integrity": "sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw=="
     },
     "node_modules/bcrypt-pbkdf": {
       "version": "1.0.2",
@@ -1214,7 +1232,6 @@
       "version": "1.1.11",
       "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
       "integrity": "sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==",
-      "dev": true,
       "dependencies": {
         "balanced-match": "^1.0.0",
         "concat-map": "0.0.1"
@@ -1418,6 +1435,11 @@
         "node": ">= 6"
       }
     },
+    "node_modules/chownr": {
+      "version": "1.1.4",
+      "resolved": "https://registry.npmjs.org/chownr/-/chownr-1.1.4.tgz",
+      "integrity": "sha512-jJ0bqzaylmJtVnNgzTeSOs8DPavpbYgEr/b0YL8/2GO3xJEhInFmhKMUnEJQjZumK7KXGFhUy89PrsJWlakBVg=="
+    },
     "node_modules/clean-stack": {
       "version": "2.2.0",
       "resolved": "https://registry.npmjs.org/clean-stack/-/clean-stack-2.2.0.tgz",
@@ -1438,6 +1460,14 @@
         "wrap-ansi": "^7.0.0"
       }
     },
+    "node_modules/code-point-at": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/code-point-at/-/code-point-at-1.1.0.tgz",
+      "integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c=",
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
     "node_modules/color-convert": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-2.0.1.tgz",
@@ -1477,8 +1507,12 @@
     "node_modules/concat-map": {
       "version": "0.0.1",
       "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
-      "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=",
-      "dev": true
+      "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s="
+    },
+    "node_modules/console-control-strings": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/console-control-strings/-/console-control-strings-1.1.0.tgz",
+      "integrity": "sha1-PXz0Rk22RG6mRL9LOVB/mFEAjo4="
     },
     "node_modules/convert-source-map": {
       "version": "1.8.0",
@@ -1492,8 +1526,7 @@
     "node_modules/core-util-is": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.2.tgz",
-      "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac=",
-      "dev": true
+      "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac="
     },
     "node_modules/coveralls": {
       "version": "3.1.1",
@@ -1584,6 +1617,14 @@
         "node": ">=0.12"
       }
     },
+    "node_modules/deep-extend": {
+      "version": "0.6.0",
+      "resolved": "https://registry.npmjs.org/deep-extend/-/deep-extend-0.6.0.tgz",
+      "integrity": "sha512-LOHxIOaPYdHlJRtCQfDIVZtfw/ufM8+rVj649RIHzcm/vGwQRXFt6OPqIFWsm2XEMrNIEtWR64sY1LEKD2vAOA==",
+      "engines": {
+        "node": ">=4.0.0"
+      }
+    },
     "node_modules/deep-is": {
       "version": "0.1.4",
       "resolved": "https://registry.npmjs.org/deep-is/-/deep-is-0.1.4.tgz",
@@ -1620,6 +1661,22 @@
         "node": ">=0.4.0"
       }
     },
+    "node_modules/delegates": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/delegates/-/delegates-1.0.0.tgz",
+      "integrity": "sha1-hMbhWbgZBP3KWaDvRM2HDTElD5o="
+    },
+    "node_modules/detect-libc": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/detect-libc/-/detect-libc-1.0.3.tgz",
+      "integrity": "sha1-+hN8S9aY7fVc1c0CrFWfkaTEups=",
+      "bin": {
+        "detect-libc": "bin/detect-libc.js"
+      },
+      "engines": {
+        "node": ">=0.10"
+      }
+    },
     "node_modules/diff": {
       "version": "5.0.0",
       "resolved": "https://registry.npmjs.org/diff/-/diff-5.0.0.tgz",
@@ -1672,8 +1729,7 @@
     "node_modules/emoji-regex": {
       "version": "8.0.0",
       "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-8.0.0.tgz",
-      "integrity": "sha512-MSjYzcWNOA0ewAHpz0MxpYFvwg6yjy1NG3xteoqz644VCo/RPgnr1/GGt+ic3iJTzQ8Eu3TdM14SawnVUmGE6A==",
-      "dev": true
+      "integrity": "sha512-MSjYzcWNOA0ewAHpz0MxpYFvwg6yjy1NG3xteoqz644VCo/RPgnr1/GGt+ic3iJTzQ8Eu3TdM14SawnVUmGE6A=="
     },
     "node_modules/es6-error": {
       "version": "4.1.1",
@@ -2141,11 +2197,18 @@
         }
       ]
     },
+    "node_modules/fs-minipass": {
+      "version": "1.2.7",
+      "resolved": "https://registry.npmjs.org/fs-minipass/-/fs-minipass-1.2.7.tgz",
+      "integrity": "sha512-GWSSJGFy4e9GUeCcbIkED+bgAoFyj7XF1mV8rma3QW4NIqX9Kyx79N/PF61H5udOV3aY1IaMLs6pGbH71nlCTA==",
+      "dependencies": {
+        "minipass": "^2.6.0"
+      }
+    },
     "node_modules/fs.realpath": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/fs.realpath/-/fs.realpath-1.0.0.tgz",
-      "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8=",
-      "dev": true
+      "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8="
     },
     "node_modules/fsevents": {
       "version": "2.3.2",
@@ -2167,6 +2230,64 @@
       "integrity": "sha1-GwqzvVU7Kg1jmdKcDj6gslIHgyc=",
       "dev": true
     },
+    "node_modules/gauge": {
+      "version": "2.7.4",
+      "resolved": "https://registry.npmjs.org/gauge/-/gauge-2.7.4.tgz",
+      "integrity": "sha1-LANAXHU4w51+s3sxcCLjJfsBi/c=",
+      "dependencies": {
+        "aproba": "^1.0.3",
+        "console-control-strings": "^1.0.0",
+        "has-unicode": "^2.0.0",
+        "object-assign": "^4.1.0",
+        "signal-exit": "^3.0.0",
+        "string-width": "^1.0.1",
+        "strip-ansi": "^3.0.1",
+        "wide-align": "^1.1.0"
+      }
+    },
+    "node_modules/gauge/node_modules/ansi-regex": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
+      "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
+    "node_modules/gauge/node_modules/is-fullwidth-code-point": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-1.0.0.tgz",
+      "integrity": "sha1-754xOG8DGn8NZDr4L95QxFfvAMs=",
+      "dependencies": {
+        "number-is-nan": "^1.0.0"
+      },
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
+    "node_modules/gauge/node_modules/string-width": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
+      "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
+      "dependencies": {
+        "code-point-at": "^1.0.0",
+        "is-fullwidth-code-point": "^1.0.0",
+        "strip-ansi": "^3.0.0"
+      },
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
+    "node_modules/gauge/node_modules/strip-ansi": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+      "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
+      "dependencies": {
+        "ansi-regex": "^2.0.0"
+      },
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
     "node_modules/gensync": {
       "version": "1.0.0-beta.2",
       "resolved": "https://registry.npmjs.org/gensync/-/gensync-1.0.0-beta.2.tgz",
@@ -2395,6 +2516,11 @@
         "node": ">=8"
       }
     },
+    "node_modules/has-unicode": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/has-unicode/-/has-unicode-2.0.1.tgz",
+      "integrity": "sha1-4Ob+aijPUROIVeCG0Wkedx3iqLk="
+    },
     "node_modules/hasha": {
       "version": "5.2.2",
       "resolved": "https://registry.npmjs.org/hasha/-/hasha-5.2.2.tgz",
@@ -2450,6 +2576,17 @@
         "npm": ">=1.3.7"
       }
     },
+    "node_modules/iconv-lite": {
+      "version": "0.4.24",
+      "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.4.24.tgz",
+      "integrity": "sha512-v3MXnZAcvnywkTUEZomIActle7RXXeedOR31wwl7VlyoXO4Qi9arvSenNQWne1TcRwhCL1HwLI21bEqdpj8/rA==",
+      "dependencies": {
+        "safer-buffer": ">= 2.1.2 < 3"
+      },
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
     "node_modules/ignore": {
       "version": "5.2.0",
       "resolved": "https://registry.npmjs.org/ignore/-/ignore-5.2.0.tgz",
@@ -2459,6 +2596,14 @@
         "node": ">= 4"
       }
     },
+    "node_modules/ignore-walk": {
+      "version": "3.0.4",
+      "resolved": "https://registry.npmjs.org/ignore-walk/-/ignore-walk-3.0.4.tgz",
+      "integrity": "sha512-PY6Ii8o1jMRA1z4F2hRkH/xN59ox43DavKvD3oDpfurRlOJyAHpifIwpbdv1n4jt4ov0jSpw3kQ4GhJnpBL6WQ==",
+      "dependencies": {
+        "minimatch": "^3.0.4"
+      }
+    },
     "node_modules/import-fresh": {
       "version": "3.3.0",
       "resolved": "https://registry.npmjs.org/import-fresh/-/import-fresh-3.3.0.tgz",
@@ -2497,7 +2642,6 @@
       "version": "1.0.6",
       "resolved": "https://registry.npmjs.org/inflight/-/inflight-1.0.6.tgz",
       "integrity": "sha1-Sb1jMdfQLQwJvJEKEHW6gWW1bfk=",
-      "dev": true,
       "dependencies": {
         "once": "^1.3.0",
         "wrappy": "1"
@@ -2506,8 +2650,12 @@
     "node_modules/inherits": {
       "version": "2.0.4",
       "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
-      "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==",
-      "dev": true
+      "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ=="
+    },
+    "node_modules/ini": {
+      "version": "1.3.8",
+      "resolved": "https://registry.npmjs.org/ini/-/ini-1.3.8.tgz",
+      "integrity": "sha512-JV/yugV2uzW5iMRSiZAyDtQd+nxtUnjeLt0acNdw98kKLrvuRVyB80tsREOE7yvGVgalhZ6RNXCmEHkUKBKxew=="
     },
     "node_modules/is-binary-path": {
       "version": "2.1.0",
@@ -2549,7 +2697,6 @@
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-3.0.0.tgz",
       "integrity": "sha512-zymm5+u+sCsSWyD9qNaejV3DFvhCKclKdizYaJUuHA83RLjb7nSuGnddCHGv0hk+KY7BMAlsWeK4Ueg6EV6XQg==",
-      "dev": true,
       "engines": {
         "node": ">=8"
       }
@@ -3072,7 +3219,6 @@
       "version": "3.1.2",
       "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.1.2.tgz",
       "integrity": "sha512-J7p63hRiAjw1NDEww1W7i37+ByIrOWO5XQQAzZ3VOcL0PNybwpfmV/N05zFAzwQ9USyEcX6t3UO+K5aqBQOIHw==",
-      "dev": true,
       "dependencies": {
         "brace-expansion": "^1.1.7"
       },
@@ -3083,8 +3229,40 @@
     "node_modules/minimist": {
       "version": "1.2.6",
       "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.6.tgz",
-      "integrity": "sha512-Jsjnk4bw3YJqYzbdyBiNsPWHPfO++UGG749Cxs6peCu5Xg4nrena6OVxOYxrQTqww0Jmwt+Ref8rggumkTLz9Q==",
-      "dev": true
+      "integrity": "sha512-Jsjnk4bw3YJqYzbdyBiNsPWHPfO++UGG749Cxs6peCu5Xg4nrena6OVxOYxrQTqww0Jmwt+Ref8rggumkTLz9Q=="
+    },
+    "node_modules/minipass": {
+      "version": "2.9.0",
+      "resolved": "https://registry.npmjs.org/minipass/-/minipass-2.9.0.tgz",
+      "integrity": "sha512-wxfUjg9WebH+CUDX/CdbRlh5SmfZiy/hpkxaRI16Y9W56Pa75sWgd/rvFilSgrauD9NyFymP/+JFV3KwzIsJeg==",
+      "dependencies": {
+        "safe-buffer": "^5.1.2",
+        "yallist": "^3.0.0"
+      }
+    },
+    "node_modules/minipass/node_modules/yallist": {
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/yallist/-/yallist-3.1.1.tgz",
+      "integrity": "sha512-a4UGQaWPH59mOXUYnAG2ewncQS4i4F43Tv3JoAM+s2VDAmS9NsK8GpDMLrCHPksFT7h3K6TOoUNn2pb7RoXx4g=="
+    },
+    "node_modules/minizlib": {
+      "version": "1.3.3",
+      "resolved": "https://registry.npmjs.org/minizlib/-/minizlib-1.3.3.tgz",
+      "integrity": "sha512-6ZYMOEnmVsdCeTJVE0W9ZD+pVnE8h9Hma/iOwwRDsdQoePpoX56/8B6z3P9VNwppJuBKNRuFDRNRqRWexT9G9Q==",
+      "dependencies": {
+        "minipass": "^2.9.0"
+      }
+    },
+    "node_modules/mkdirp": {
+      "version": "0.5.6",
+      "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.6.tgz",
+      "integrity": "sha512-FP+p8RB8OWpF3YZBCrP5gtADmtXApB5AMLn+vdyA+PyxCjrCs00mjyUozssO33cwDeT3wNGdLxJ5M//YqtHAJw==",
+      "dependencies": {
+        "minimist": "^1.2.6"
+      },
+      "bin": {
+        "mkdirp": "bin/cmd.js"
+      }
     },
     "node_modules/mocha": {
       "version": "9.2.2",
@@ -3272,8 +3450,25 @@
     "node_modules/ms": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
-      "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==",
-      "dev": true
+      "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
+    },
+    "node_modules/murmurhash-native": {
+      "version": "3.5.0",
+      "resolved": "https://registry.npmjs.org/murmurhash-native/-/murmurhash-native-3.5.0.tgz",
+      "integrity": "sha512-FRBbK08EU75KkdvnFeSPWbmvLQsVZiUU5EDBEd4937B4Yw9cjVXbHMRtu1KcBFaAk5AxR0KzuBqOy1wWTzoO4Q==",
+      "hasInstallScript": true,
+      "dependencies": {
+        "nan": "^2.14.1",
+        "node-pre-gyp": "^0.14.0"
+      },
+      "engines": {
+        "node": ">=6"
+      }
+    },
+    "node_modules/nan": {
+      "version": "2.15.0",
+      "resolved": "https://registry.npmjs.org/nan/-/nan-2.15.0.tgz",
+      "integrity": "sha512-8ZtvEnA2c5aYCZYd1cvgdnU6cqwixRoYg70xPLWUws5ORTa/lnw+u4amixRS/Ac5U5mQVgp9pnlSUnbNWFaWZQ=="
     },
     "node_modules/nanoid": {
       "version": "3.3.1",
@@ -3293,6 +3488,30 @@
       "integrity": "sha1-Sr6/7tdUHywnrPspvbvRXI1bpPc=",
       "dev": true
     },
+    "node_modules/needle": {
+      "version": "2.9.1",
+      "resolved": "https://registry.npmjs.org/needle/-/needle-2.9.1.tgz",
+      "integrity": "sha512-6R9fqJ5Zcmf+uYaFgdIHmLwNldn5HbK8L5ybn7Uz+ylX/rnOsSp1AHcvQSrCaFN+qNM1wpymHqD7mVasEOlHGQ==",
+      "dependencies": {
+        "debug": "^3.2.6",
+        "iconv-lite": "^0.4.4",
+        "sax": "^1.2.4"
+      },
+      "bin": {
+        "needle": "bin/needle"
+      },
+      "engines": {
+        "node": ">= 4.4.x"
+      }
+    },
+    "node_modules/needle/node_modules/debug": {
+      "version": "3.2.7",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-3.2.7.tgz",
+      "integrity": "sha512-CFjzYYAi4ThfiQvizrFQevTTXHtnCqWfe7x1AhgEscTz6ZbLbfoLRLPugTQyBth6f8ZERVUSyWHFD/7Wu4t1XQ==",
+      "dependencies": {
+        "ms": "^2.1.1"
+      }
+    },
     "node_modules/neo-async": {
       "version": "2.6.2",
       "resolved": "https://registry.npmjs.org/neo-async/-/neo-async-2.6.2.tgz",
@@ -3312,6 +3531,65 @@
         "path-to-regexp": "^1.7.0"
       }
     },
+    "node_modules/node-pre-gyp": {
+      "version": "0.14.0",
+      "resolved": "https://registry.npmjs.org/node-pre-gyp/-/node-pre-gyp-0.14.0.tgz",
+      "integrity": "sha512-+CvDC7ZttU/sSt9rFjix/P05iS43qHCOOGzcr3Ry99bXG7VX953+vFyEuph/tfqoYu8dttBkE86JSKBO2OzcxA==",
+      "deprecated": "Please upgrade to @mapbox/node-pre-gyp: the non-scoped node-pre-gyp package is deprecated and only the @mapbox scoped package will recieve updates in the future",
+      "dependencies": {
+        "detect-libc": "^1.0.2",
+        "mkdirp": "^0.5.1",
+        "needle": "^2.2.1",
+        "nopt": "^4.0.1",
+        "npm-packlist": "^1.1.6",
+        "npmlog": "^4.0.2",
+        "rc": "^1.2.7",
+        "rimraf": "^2.6.1",
+        "semver": "^5.3.0",
+        "tar": "^4.4.2"
+      },
+      "bin": {
+        "node-pre-gyp": "bin/node-pre-gyp"
+      }
+    },
+    "node_modules/node-pre-gyp/node_modules/glob": {
+      "version": "7.2.0",
+      "resolved": "https://registry.npmjs.org/glob/-/glob-7.2.0.tgz",
+      "integrity": "sha512-lmLf6gtyrPq8tTjSmrO94wBeQbFR3HbLHbuyD69wuyQkImp2hWqMGB47OX65FBkPffO641IP9jWa1z4ivqG26Q==",
+      "dependencies": {
+        "fs.realpath": "^1.0.0",
+        "inflight": "^1.0.4",
+        "inherits": "2",
+        "minimatch": "^3.0.4",
+        "once": "^1.3.0",
+        "path-is-absolute": "^1.0.0"
+      },
+      "engines": {
+        "node": "*"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/isaacs"
+      }
+    },
+    "node_modules/node-pre-gyp/node_modules/rimraf": {
+      "version": "2.7.1",
+      "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.7.1.tgz",
+      "integrity": "sha512-uWjbaKIK3T1OSVptzX7Nl6PvQ3qAGtKEtVRjRuazjfL3Bx5eI409VZSqgND+4UNnmzLVdPj9FqFJNPqBZFve4w==",
+      "dependencies": {
+        "glob": "^7.1.3"
+      },
+      "bin": {
+        "rimraf": "bin.js"
+      }
+    },
+    "node_modules/node-pre-gyp/node_modules/semver": {
+      "version": "5.7.1",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
+      "integrity": "sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ==",
+      "bin": {
+        "semver": "bin/semver"
+      }
+    },
     "node_modules/node-preload": {
       "version": "0.2.1",
       "resolved": "https://registry.npmjs.org/node-preload/-/node-preload-0.2.1.tgz",
@@ -3330,6 +3608,18 @@
       "integrity": "sha512-XxYDdcQ6eKqp/YjI+tb2C5WM2LgjnZrfYg4vgQt49EK268b6gYCHsBLrK2qvJo4FmCtqmKezb0WZFK4fkrZNsg==",
       "dev": true
     },
+    "node_modules/nopt": {
+      "version": "4.0.3",
+      "resolved": "https://registry.npmjs.org/nopt/-/nopt-4.0.3.tgz",
+      "integrity": "sha512-CvaGwVMztSMJLOeXPrez7fyfObdZqNUK1cPAEzLHrTybIua9pMdmmPR5YwtfNftIOMv3DPUhFaxsZMNTQO20Kg==",
+      "dependencies": {
+        "abbrev": "1",
+        "osenv": "^0.1.4"
+      },
+      "bin": {
+        "nopt": "bin/nopt.js"
+      }
+    },
     "node_modules/normalize-path": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/normalize-path/-/normalize-path-3.0.0.tgz",
@@ -3339,6 +3629,29 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/npm-bundled": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/npm-bundled/-/npm-bundled-1.1.2.tgz",
+      "integrity": "sha512-x5DHup0SuyQcmL3s7Rx/YQ8sbw/Hzg0rj48eN0dV7hf5cmQq5PXIeioroH3raV1QC1yh3uTYuMThvEQF3iKgGQ==",
+      "dependencies": {
+        "npm-normalize-package-bin": "^1.0.1"
+      }
+    },
+    "node_modules/npm-normalize-package-bin": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/npm-normalize-package-bin/-/npm-normalize-package-bin-1.0.1.tgz",
+      "integrity": "sha512-EPfafl6JL5/rU+ot6P3gRSCpPDW5VmIzX959Ob1+ySFUuuYHWHekXpwdUZcKP5C+DS4GEtdJluwBjnsNDl+fSA=="
+    },
+    "node_modules/npm-packlist": {
+      "version": "1.4.8",
+      "resolved": "https://registry.npmjs.org/npm-packlist/-/npm-packlist-1.4.8.tgz",
+      "integrity": "sha512-5+AZgwru5IevF5ZdnFglB5wNlHG1AOOuw28WhUq8/8emhBmLv6jX5by4WJCh7lW0uSYZYS6DXqIsyZVIXRZU9A==",
+      "dependencies": {
+        "ignore-walk": "^3.0.1",
+        "npm-bundled": "^1.0.1",
+        "npm-normalize-package-bin": "^1.0.1"
+      }
+    },
     "node_modules/npm-scripts-help": {
       "version": "0.8.0",
       "resolved": "https://registry.npmjs.org/npm-scripts-help/-/npm-scripts-help-0.8.0.tgz",
@@ -3415,6 +3728,25 @@
         "node": ">=0.8.0"
       }
     },
+    "node_modules/npmlog": {
+      "version": "4.1.2",
+      "resolved": "https://registry.npmjs.org/npmlog/-/npmlog-4.1.2.tgz",
+      "integrity": "sha512-2uUqazuKlTaSI/dC8AzicUck7+IrEaOnN/e0jd3Xtt1KcGpwx30v50mL7oPyr/h9bL3E4aZccVwpwP+5W9Vjkg==",
+      "dependencies": {
+        "are-we-there-yet": "~1.1.2",
+        "console-control-strings": "~1.1.0",
+        "gauge": "~2.7.3",
+        "set-blocking": "~2.0.0"
+      }
+    },
+    "node_modules/number-is-nan": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/number-is-nan/-/number-is-nan-1.0.1.tgz",
+      "integrity": "sha1-CXtgK1NCKlIsGvuHkDGDNpQaAR0=",
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
     "node_modules/nyc": {
       "version": "15.1.0",
       "resolved": "https://registry.npmjs.org/nyc/-/nyc-15.1.0.tgz",
@@ -3621,11 +3953,18 @@
         "node": "*"
       }
     },
+    "node_modules/object-assign": {
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz",
+      "integrity": "sha1-IQmtx5ZYh8/AXLvUQsrIv7s2CGM=",
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
     "node_modules/once": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
       "integrity": "sha1-WDsap3WWHUsROsF9nFC6753Xa9E=",
-      "dev": true,
       "dependencies": {
         "wrappy": "1"
       }
@@ -3664,6 +4003,31 @@
         "node": ">= 0.8.0"
       }
     },
+    "node_modules/os-homedir": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/os-homedir/-/os-homedir-1.0.2.tgz",
+      "integrity": "sha1-/7xJiDNuDoM94MFox+8VISGqf7M=",
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
+    "node_modules/os-tmpdir": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/os-tmpdir/-/os-tmpdir-1.0.2.tgz",
+      "integrity": "sha1-u+Z0BseaqFxc/sdm/lc0VV36EnQ=",
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
+    "node_modules/osenv": {
+      "version": "0.1.5",
+      "resolved": "https://registry.npmjs.org/osenv/-/osenv-0.1.5.tgz",
+      "integrity": "sha512-0CWcCECdMVc2Rw3U5w9ZjqX6ga6ubk1xDVKxtBQPK7wis/0F2r9T6k4ydGYhecl7YUBxBVxhL5oisPsNxAPe2g==",
+      "dependencies": {
+        "os-homedir": "^1.0.0",
+        "os-tmpdir": "^1.0.0"
+      }
+    },
     "node_modules/p-limit": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/p-limit/-/p-limit-3.1.0.tgz",
@@ -3760,7 +4124,6 @@
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
       "integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18=",
-      "dev": true,
       "engines": {
         "node": ">=0.10.0"
       }
@@ -4015,6 +4378,11 @@
         "node": ">= 0.8.0"
       }
     },
+    "node_modules/process-nextick-args": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-2.0.1.tgz",
+      "integrity": "sha512-3ouUOpQhtgrbOa17J7+uxOTpITYWaGP7/AhoR3+A+/1e9skrzelGi/dXzEYyvbxubEF6Wn2ypscTKiKJFFn1ag=="
+    },
     "node_modules/process-on-spawn": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/process-on-spawn/-/process-on-spawn-1.0.0.tgz",
@@ -4080,6 +4448,47 @@
         "safe-buffer": "^5.1.0"
       }
     },
+    "node_modules/rc": {
+      "version": "1.2.8",
+      "resolved": "https://registry.npmjs.org/rc/-/rc-1.2.8.tgz",
+      "integrity": "sha512-y3bGgqKj3QBdxLbLkomlohkvsA8gdAiUQlSBJnBhfn+BPxg4bc62d8TcBW15wavDfgexCgccckhcZvywyQYPOw==",
+      "dependencies": {
+        "deep-extend": "^0.6.0",
+        "ini": "~1.3.0",
+        "minimist": "^1.2.0",
+        "strip-json-comments": "~2.0.1"
+      },
+      "bin": {
+        "rc": "cli.js"
+      }
+    },
+    "node_modules/rc/node_modules/strip-json-comments": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/strip-json-comments/-/strip-json-comments-2.0.1.tgz",
+      "integrity": "sha1-PFMZQukIwml8DsNEhYwobHygpgo=",
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
+    "node_modules/readable-stream": {
+      "version": "2.3.7",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.7.tgz",
+      "integrity": "sha512-Ebho8K4jIbHAxnuxi7o42OrZgF/ZTNcsZj6nRKyUmkhLFq8CHItp/fy6hQZuZmP/n3yZ9VBUbp4zz/mX8hmYPw==",
+      "dependencies": {
+        "core-util-is": "~1.0.0",
+        "inherits": "~2.0.3",
+        "isarray": "~1.0.0",
+        "process-nextick-args": "~2.0.0",
+        "safe-buffer": "~5.1.1",
+        "string_decoder": "~1.1.1",
+        "util-deprecate": "~1.0.1"
+      }
+    },
+    "node_modules/readable-stream/node_modules/isarray": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
+      "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE="
+    },
     "node_modules/readdirp": {
       "version": "3.6.0",
       "resolved": "https://registry.npmjs.org/readdirp/-/readdirp-3.6.0.tgz",
@@ -4259,14 +4668,17 @@
     "node_modules/safe-buffer": {
       "version": "5.1.2",
       "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
-      "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==",
-      "dev": true
+      "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
     },
     "node_modules/safer-buffer": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
-      "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==",
-      "dev": true
+      "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg=="
+    },
+    "node_modules/sax": {
+      "version": "1.2.4",
+      "resolved": "https://registry.npmjs.org/sax/-/sax-1.2.4.tgz",
+      "integrity": "sha512-NqVDv9TpANUjFm0N8uM5GxL36UgKi9/atZw+x7YFnQ8ckwFGKrl4xX4yWtrey3UJm5nP1kUbnYgLopqWNSRhWw=="
     },
     "node_modules/semver": {
       "version": "7.3.5",
@@ -4295,8 +4707,7 @@
     "node_modules/set-blocking": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/set-blocking/-/set-blocking-2.0.0.tgz",
-      "integrity": "sha1-BF+XgtARrppoA93TgrJDkrPYkPc=",
-      "dev": true
+      "integrity": "sha1-BF+XgtARrppoA93TgrJDkrPYkPc="
     },
     "node_modules/shebang-command": {
       "version": "2.0.0",
@@ -4333,8 +4744,7 @@
     "node_modules/signal-exit": {
       "version": "3.0.7",
       "resolved": "https://registry.npmjs.org/signal-exit/-/signal-exit-3.0.7.tgz",
-      "integrity": "sha512-wnD2ZE+l+SPC/uoS0vXeE9L1+0wuaMqKlfz9AMUo38JsyLSBWSFcHR1Rri62LZc12vLr1gb3jl7iwQhgwpAbGQ==",
-      "dev": true
+      "integrity": "sha512-wnD2ZE+l+SPC/uoS0vXeE9L1+0wuaMqKlfz9AMUo38JsyLSBWSFcHR1Rri62LZc12vLr1gb3jl7iwQhgwpAbGQ=="
     },
     "node_modules/sinon": {
       "version": "13.0.2",
@@ -4447,11 +4857,18 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/string_decoder": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
+      "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
+      "dependencies": {
+        "safe-buffer": "~5.1.0"
+      }
+    },
     "node_modules/string-width": {
       "version": "4.2.3",
       "resolved": "https://registry.npmjs.org/string-width/-/string-width-4.2.3.tgz",
       "integrity": "sha512-wKyQRQpjJ0sIp62ErSZdGsjMJWsap5oRNihHhu6G7JVO/9jIB6UyevL+tXuOqrng8j/cxKTWyWUwvSTriiZz/g==",
-      "dev": true,
       "dependencies": {
         "emoji-regex": "^8.0.0",
         "is-fullwidth-code-point": "^3.0.0",
@@ -4465,7 +4882,6 @@
       "version": "6.0.1",
       "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-6.0.1.tgz",
       "integrity": "sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A==",
-      "dev": true,
       "dependencies": {
         "ansi-regex": "^5.0.1"
       },
@@ -4506,6 +4922,47 @@
         "node": ">=8"
       }
     },
+    "node_modules/tar": {
+      "version": "4.4.19",
+      "resolved": "https://registry.npmjs.org/tar/-/tar-4.4.19.tgz",
+      "integrity": "sha512-a20gEsvHnWe0ygBY8JbxoM4w3SJdhc7ZAuxkLqh+nvNQN2IOt0B5lLgM490X5Hl8FF0dl0tOf2ewFYAlIFgzVA==",
+      "dependencies": {
+        "chownr": "^1.1.4",
+        "fs-minipass": "^1.2.7",
+        "minipass": "^2.9.0",
+        "minizlib": "^1.3.3",
+        "mkdirp": "^0.5.5",
+        "safe-buffer": "^5.2.1",
+        "yallist": "^3.1.1"
+      },
+      "engines": {
+        "node": ">=4.5"
+      }
+    },
+    "node_modules/tar/node_modules/safe-buffer": {
+      "version": "5.2.1",
+      "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
+      "integrity": "sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/feross"
+        },
+        {
+          "type": "patreon",
+          "url": "https://www.patreon.com/feross"
+        },
+        {
+          "type": "consulting",
+          "url": "https://feross.org/support"
+        }
+      ]
+    },
+    "node_modules/tar/node_modules/yallist": {
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/yallist/-/yallist-3.1.1.tgz",
+      "integrity": "sha512-a4UGQaWPH59mOXUYnAG2ewncQS4i4F43Tv3JoAM+s2VDAmS9NsK8GpDMLrCHPksFT7h3K6TOoUNn2pb7RoXx4g=="
+    },
     "node_modules/test-exclude": {
       "version": "6.0.0",
       "resolved": "https://registry.npmjs.org/test-exclude/-/test-exclude-6.0.0.tgz",
@@ -4854,6 +5311,11 @@
         "punycode": "^2.1.0"
       }
     },
+    "node_modules/util-deprecate": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
+      "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8="
+    },
     "node_modules/uuid": {
       "version": "8.3.2",
       "resolved": "https://registry.npmjs.org/uuid/-/uuid-8.3.2.tgz",
@@ -4921,6 +5383,14 @@
       "integrity": "sha1-2e8H3Od7mQK4o6j6SzHD4/fm6Ho=",
       "dev": true
     },
+    "node_modules/wide-align": {
+      "version": "1.1.5",
+      "resolved": "https://registry.npmjs.org/wide-align/-/wide-align-1.1.5.tgz",
+      "integrity": "sha512-eDMORYaPNZ4sQIuuYPDHdQvf4gyCF9rEEV/yPxGfwPkRodwEgiMUUXTx/dex+Me0wxx53S+NgUHaP7y3MGlDmg==",
+      "dependencies": {
+        "string-width": "^1.0.2 || 2 || 3 || 4"
+      }
+    },
     "node_modules/word-wrap": {
       "version": "1.2.3",
       "resolved": "https://registry.npmjs.org/word-wrap/-/word-wrap-1.2.3.tgz",
@@ -4962,8 +5432,7 @@
     "node_modules/wrappy": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
-      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
-      "dev": true
+      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
     },
     "node_modules/write-file-atomic": {
       "version": "3.0.3",
@@ -5816,6 +6285,11 @@
       "integrity": "sha512-sL/cEvJWAnClXw0wHk85/2L0G6Sj8UB0Ctc1TEMbKSsmpRosqhwj9gWgFRZSrBr2f9tiXISwNhCPmlfqUqyb9Q==",
       "dev": true
     },
+    "abbrev": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/abbrev/-/abbrev-1.1.1.tgz",
+      "integrity": "sha512-nne9/IiQ/hzIhY6pdDnbBtz7DjPTKrY00P/zvPSm5pOFkl6xuGrGnXn/VtTNNfNtAfZ9/1RtehkszU9qcTii0Q=="
+    },
     "acorn": {
       "version": "8.7.0",
       "resolved": "https://registry.npmjs.org/acorn/-/acorn-8.7.0.tgz",
@@ -5866,8 +6340,7 @@
     "ansi-regex": {
       "version": "5.0.1",
       "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.1.tgz",
-      "integrity": "sha512-quJQXlTSUGL2LH9SUXo8VwsY4soanhgo6LNSm84E1LBcE8s3O0wpdiRzyR9z/ZZJMlMWv37qOOb9pdJlMUEKFQ==",
-      "dev": true
+      "integrity": "sha512-quJQXlTSUGL2LH9SUXo8VwsY4soanhgo6LNSm84E1LBcE8s3O0wpdiRzyR9z/ZZJMlMWv37qOOb9pdJlMUEKFQ=="
     },
     "ansi-styles": {
       "version": "4.3.0",
@@ -5897,12 +6370,26 @@
         "default-require-extensions": "^3.0.0"
       }
     },
+    "aproba": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/aproba/-/aproba-1.2.0.tgz",
+      "integrity": "sha512-Y9J6ZjXtoYh8RnXVCMOU/ttDmk1aBjunq9vO0ta5x85WDQiQfUF9sIPBITdbiiIVcBo03Hi3jMxigBtsddlXRw=="
+    },
     "archy": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/archy/-/archy-1.0.0.tgz",
       "integrity": "sha1-+cjBN1fMHde8N5rHeyxipcKGjEA=",
       "dev": true
     },
+    "are-we-there-yet": {
+      "version": "1.1.7",
+      "resolved": "https://registry.npmjs.org/are-we-there-yet/-/are-we-there-yet-1.1.7.tgz",
+      "integrity": "sha512-nxwy40TuMiUGqMyRHgCSWZ9FM4VAoRP4xUYSTv5ImRog+h9yISPbVH7H8fASCIzYn9wlEv4zvFL7uKDMCFQm3g==",
+      "requires": {
+        "delegates": "^1.0.0",
+        "readable-stream": "^2.0.6"
+      }
+    },
     "arg": {
       "version": "4.1.3",
       "resolved": "https://registry.npmjs.org/arg/-/arg-4.1.3.tgz",
@@ -5966,8 +6453,7 @@
     "balanced-match": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.2.tgz",
-      "integrity": "sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw==",
-      "dev": true
+      "integrity": "sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw=="
     },
     "bcrypt-pbkdf": {
       "version": "1.0.2",
@@ -5988,7 +6474,6 @@
       "version": "1.1.11",
       "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
       "integrity": "sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==",
-      "dev": true,
       "requires": {
         "balanced-match": "^1.0.0",
         "concat-map": "0.0.1"
@@ -6127,6 +6612,11 @@
         }
       }
     },
+    "chownr": {
+      "version": "1.1.4",
+      "resolved": "https://registry.npmjs.org/chownr/-/chownr-1.1.4.tgz",
+      "integrity": "sha512-jJ0bqzaylmJtVnNgzTeSOs8DPavpbYgEr/b0YL8/2GO3xJEhInFmhKMUnEJQjZumK7KXGFhUy89PrsJWlakBVg=="
+    },
     "clean-stack": {
       "version": "2.2.0",
       "resolved": "https://registry.npmjs.org/clean-stack/-/clean-stack-2.2.0.tgz",
@@ -6144,6 +6634,11 @@
         "wrap-ansi": "^7.0.0"
       }
     },
+    "code-point-at": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/code-point-at/-/code-point-at-1.1.0.tgz",
+      "integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c="
+    },
     "color-convert": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-2.0.1.tgz",
@@ -6177,8 +6672,12 @@
     "concat-map": {
       "version": "0.0.1",
       "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
-      "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=",
-      "dev": true
+      "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s="
+    },
+    "console-control-strings": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/console-control-strings/-/console-control-strings-1.1.0.tgz",
+      "integrity": "sha1-PXz0Rk22RG6mRL9LOVB/mFEAjo4="
     },
     "convert-source-map": {
       "version": "1.8.0",
@@ -6192,8 +6691,7 @@
     "core-util-is": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.2.tgz",
-      "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac=",
-      "dev": true
+      "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac="
     },
     "coveralls": {
       "version": "3.1.1",
@@ -6258,6 +6756,11 @@
         "type-detect": "^4.0.0"
       }
     },
+    "deep-extend": {
+      "version": "0.6.0",
+      "resolved": "https://registry.npmjs.org/deep-extend/-/deep-extend-0.6.0.tgz",
+      "integrity": "sha512-LOHxIOaPYdHlJRtCQfDIVZtfw/ufM8+rVj649RIHzcm/vGwQRXFt6OPqIFWsm2XEMrNIEtWR64sY1LEKD2vAOA=="
+    },
     "deep-is": {
       "version": "0.1.4",
       "resolved": "https://registry.npmjs.org/deep-is/-/deep-is-0.1.4.tgz",
@@ -6285,6 +6788,16 @@
       "integrity": "sha1-3zrhmayt+31ECqrgsp4icrJOxhk=",
       "dev": true
     },
+    "delegates": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/delegates/-/delegates-1.0.0.tgz",
+      "integrity": "sha1-hMbhWbgZBP3KWaDvRM2HDTElD5o="
+    },
+    "detect-libc": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/detect-libc/-/detect-libc-1.0.3.tgz",
+      "integrity": "sha1-+hN8S9aY7fVc1c0CrFWfkaTEups="
+    },
     "diff": {
       "version": "5.0.0",
       "resolved": "https://registry.npmjs.org/diff/-/diff-5.0.0.tgz",
@@ -6328,8 +6841,7 @@
     "emoji-regex": {
       "version": "8.0.0",
       "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-8.0.0.tgz",
-      "integrity": "sha512-MSjYzcWNOA0ewAHpz0MxpYFvwg6yjy1NG3xteoqz644VCo/RPgnr1/GGt+ic3iJTzQ8Eu3TdM14SawnVUmGE6A==",
-      "dev": true
+      "integrity": "sha512-MSjYzcWNOA0ewAHpz0MxpYFvwg6yjy1NG3xteoqz644VCo/RPgnr1/GGt+ic3iJTzQ8Eu3TdM14SawnVUmGE6A=="
     },
     "es6-error": {
       "version": "4.1.1",
@@ -6678,11 +7190,18 @@
       "integrity": "sha512-cHEpEQHUg0f8XdtZCc2ZAhrHzKzT0MrFUTcvx+hfxYu7rGMDc5SKoXFh+n4YigxsHXRzc6OrCshdR1bWH6HHyg==",
       "dev": true
     },
+    "fs-minipass": {
+      "version": "1.2.7",
+      "resolved": "https://registry.npmjs.org/fs-minipass/-/fs-minipass-1.2.7.tgz",
+      "integrity": "sha512-GWSSJGFy4e9GUeCcbIkED+bgAoFyj7XF1mV8rma3QW4NIqX9Kyx79N/PF61H5udOV3aY1IaMLs6pGbH71nlCTA==",
+      "requires": {
+        "minipass": "^2.6.0"
+      }
+    },
     "fs.realpath": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/fs.realpath/-/fs.realpath-1.0.0.tgz",
-      "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8=",
-      "dev": true
+      "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8="
     },
     "fsevents": {
       "version": "2.3.2",
@@ -6697,6 +7216,54 @@
       "integrity": "sha1-GwqzvVU7Kg1jmdKcDj6gslIHgyc=",
       "dev": true
     },
+    "gauge": {
+      "version": "2.7.4",
+      "resolved": "https://registry.npmjs.org/gauge/-/gauge-2.7.4.tgz",
+      "integrity": "sha1-LANAXHU4w51+s3sxcCLjJfsBi/c=",
+      "requires": {
+        "aproba": "^1.0.3",
+        "console-control-strings": "^1.0.0",
+        "has-unicode": "^2.0.0",
+        "object-assign": "^4.1.0",
+        "signal-exit": "^3.0.0",
+        "string-width": "^1.0.1",
+        "strip-ansi": "^3.0.1",
+        "wide-align": "^1.1.0"
+      },
+      "dependencies": {
+        "ansi-regex": {
+          "version": "2.1.1",
+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
+          "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8="
+        },
+        "is-fullwidth-code-point": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-1.0.0.tgz",
+          "integrity": "sha1-754xOG8DGn8NZDr4L95QxFfvAMs=",
+          "requires": {
+            "number-is-nan": "^1.0.0"
+          }
+        },
+        "string-width": {
+          "version": "1.0.2",
+          "resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
+          "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
+          "requires": {
+            "code-point-at": "^1.0.0",
+            "is-fullwidth-code-point": "^1.0.0",
+            "strip-ansi": "^3.0.0"
+          }
+        },
+        "strip-ansi": {
+          "version": "3.0.1",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+          "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
+          "requires": {
+            "ansi-regex": "^2.0.0"
+          }
+        }
+      }
+    },
     "gensync": {
       "version": "1.0.0-beta.2",
       "resolved": "https://registry.npmjs.org/gensync/-/gensync-1.0.0-beta.2.tgz",
@@ -6868,6 +7435,11 @@
       "integrity": "sha512-EykJT/Q1KjTWctppgIAgfSO0tKVuZUjhgMr17kqTumMl6Afv3EISleU7qZUzoXDFTAHTDC4NOoG/ZxU3EvlMPQ==",
       "dev": true
     },
+    "has-unicode": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/has-unicode/-/has-unicode-2.0.1.tgz",
+      "integrity": "sha1-4Ob+aijPUROIVeCG0Wkedx3iqLk="
+    },
     "hasha": {
       "version": "5.2.2",
       "resolved": "https://registry.npmjs.org/hasha/-/hasha-5.2.2.tgz",
@@ -6909,12 +7481,28 @@
         "sshpk": "^1.7.0"
       }
     },
+    "iconv-lite": {
+      "version": "0.4.24",
+      "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.4.24.tgz",
+      "integrity": "sha512-v3MXnZAcvnywkTUEZomIActle7RXXeedOR31wwl7VlyoXO4Qi9arvSenNQWne1TcRwhCL1HwLI21bEqdpj8/rA==",
+      "requires": {
+        "safer-buffer": ">= 2.1.2 < 3"
+      }
+    },
     "ignore": {
       "version": "5.2.0",
       "resolved": "https://registry.npmjs.org/ignore/-/ignore-5.2.0.tgz",
       "integrity": "sha512-CmxgYGiEPCLhfLnpPp1MoRmifwEIOgjcHXxOBjv7mY96c+eWScsOP9c112ZyLdWHi0FxHjI+4uVhKYp/gcdRmQ==",
       "dev": true
     },
+    "ignore-walk": {
+      "version": "3.0.4",
+      "resolved": "https://registry.npmjs.org/ignore-walk/-/ignore-walk-3.0.4.tgz",
+      "integrity": "sha512-PY6Ii8o1jMRA1z4F2hRkH/xN59ox43DavKvD3oDpfurRlOJyAHpifIwpbdv1n4jt4ov0jSpw3kQ4GhJnpBL6WQ==",
+      "requires": {
+        "minimatch": "^3.0.4"
+      }
+    },
     "import-fresh": {
       "version": "3.3.0",
       "resolved": "https://registry.npmjs.org/import-fresh/-/import-fresh-3.3.0.tgz",
@@ -6941,7 +7529,6 @@
       "version": "1.0.6",
       "resolved": "https://registry.npmjs.org/inflight/-/inflight-1.0.6.tgz",
       "integrity": "sha1-Sb1jMdfQLQwJvJEKEHW6gWW1bfk=",
-      "dev": true,
       "requires": {
         "once": "^1.3.0",
         "wrappy": "1"
@@ -6950,8 +7537,12 @@
     "inherits": {
       "version": "2.0.4",
       "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
-      "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==",
-      "dev": true
+      "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ=="
+    },
+    "ini": {
+      "version": "1.3.8",
+      "resolved": "https://registry.npmjs.org/ini/-/ini-1.3.8.tgz",
+      "integrity": "sha512-JV/yugV2uzW5iMRSiZAyDtQd+nxtUnjeLt0acNdw98kKLrvuRVyB80tsREOE7yvGVgalhZ6RNXCmEHkUKBKxew=="
     },
     "is-binary-path": {
       "version": "2.1.0",
@@ -6977,8 +7568,7 @@
     "is-fullwidth-code-point": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-3.0.0.tgz",
-      "integrity": "sha512-zymm5+u+sCsSWyD9qNaejV3DFvhCKclKdizYaJUuHA83RLjb7nSuGnddCHGv0hk+KY7BMAlsWeK4Ueg6EV6XQg==",
-      "dev": true
+      "integrity": "sha512-zymm5+u+sCsSWyD9qNaejV3DFvhCKclKdizYaJUuHA83RLjb7nSuGnddCHGv0hk+KY7BMAlsWeK4Ueg6EV6XQg=="
     },
     "is-glob": {
       "version": "4.0.3",
@@ -7379,7 +7969,6 @@
       "version": "3.1.2",
       "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.1.2.tgz",
       "integrity": "sha512-J7p63hRiAjw1NDEww1W7i37+ByIrOWO5XQQAzZ3VOcL0PNybwpfmV/N05zFAzwQ9USyEcX6t3UO+K5aqBQOIHw==",
-      "dev": true,
       "requires": {
         "brace-expansion": "^1.1.7"
       }
@@ -7387,8 +7976,39 @@
     "minimist": {
       "version": "1.2.6",
       "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.6.tgz",
-      "integrity": "sha512-Jsjnk4bw3YJqYzbdyBiNsPWHPfO++UGG749Cxs6peCu5Xg4nrena6OVxOYxrQTqww0Jmwt+Ref8rggumkTLz9Q==",
-      "dev": true
+      "integrity": "sha512-Jsjnk4bw3YJqYzbdyBiNsPWHPfO++UGG749Cxs6peCu5Xg4nrena6OVxOYxrQTqww0Jmwt+Ref8rggumkTLz9Q=="
+    },
+    "minipass": {
+      "version": "2.9.0",
+      "resolved": "https://registry.npmjs.org/minipass/-/minipass-2.9.0.tgz",
+      "integrity": "sha512-wxfUjg9WebH+CUDX/CdbRlh5SmfZiy/hpkxaRI16Y9W56Pa75sWgd/rvFilSgrauD9NyFymP/+JFV3KwzIsJeg==",
+      "requires": {
+        "safe-buffer": "^5.1.2",
+        "yallist": "^3.0.0"
+      },
+      "dependencies": {
+        "yallist": {
+          "version": "3.1.1",
+          "resolved": "https://registry.npmjs.org/yallist/-/yallist-3.1.1.tgz",
+          "integrity": "sha512-a4UGQaWPH59mOXUYnAG2ewncQS4i4F43Tv3JoAM+s2VDAmS9NsK8GpDMLrCHPksFT7h3K6TOoUNn2pb7RoXx4g=="
+        }
+      }
+    },
+    "minizlib": {
+      "version": "1.3.3",
+      "resolved": "https://registry.npmjs.org/minizlib/-/minizlib-1.3.3.tgz",
+      "integrity": "sha512-6ZYMOEnmVsdCeTJVE0W9ZD+pVnE8h9Hma/iOwwRDsdQoePpoX56/8B6z3P9VNwppJuBKNRuFDRNRqRWexT9G9Q==",
+      "requires": {
+        "minipass": "^2.9.0"
+      }
+    },
+    "mkdirp": {
+      "version": "0.5.6",
+      "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.6.tgz",
+      "integrity": "sha512-FP+p8RB8OWpF3YZBCrP5gtADmtXApB5AMLn+vdyA+PyxCjrCs00mjyUozssO33cwDeT3wNGdLxJ5M//YqtHAJw==",
+      "requires": {
+        "minimist": "^1.2.6"
+      }
     },
     "mocha": {
       "version": "9.2.2",
@@ -7535,8 +8155,21 @@
     "ms": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
-      "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==",
-      "dev": true
+      "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
+    },
+    "murmurhash-native": {
+      "version": "3.5.0",
+      "resolved": "https://registry.npmjs.org/murmurhash-native/-/murmurhash-native-3.5.0.tgz",
+      "integrity": "sha512-FRBbK08EU75KkdvnFeSPWbmvLQsVZiUU5EDBEd4937B4Yw9cjVXbHMRtu1KcBFaAk5AxR0KzuBqOy1wWTzoO4Q==",
+      "requires": {
+        "nan": "^2.14.1",
+        "node-pre-gyp": "^0.14.0"
+      }
+    },
+    "nan": {
+      "version": "2.15.0",
+      "resolved": "https://registry.npmjs.org/nan/-/nan-2.15.0.tgz",
+      "integrity": "sha512-8ZtvEnA2c5aYCZYd1cvgdnU6cqwixRoYg70xPLWUws5ORTa/lnw+u4amixRS/Ac5U5mQVgp9pnlSUnbNWFaWZQ=="
     },
     "nanoid": {
       "version": "3.3.1",
@@ -7550,6 +8183,26 @@
       "integrity": "sha1-Sr6/7tdUHywnrPspvbvRXI1bpPc=",
       "dev": true
     },
+    "needle": {
+      "version": "2.9.1",
+      "resolved": "https://registry.npmjs.org/needle/-/needle-2.9.1.tgz",
+      "integrity": "sha512-6R9fqJ5Zcmf+uYaFgdIHmLwNldn5HbK8L5ybn7Uz+ylX/rnOsSp1AHcvQSrCaFN+qNM1wpymHqD7mVasEOlHGQ==",
+      "requires": {
+        "debug": "^3.2.6",
+        "iconv-lite": "^0.4.4",
+        "sax": "^1.2.4"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "3.2.7",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-3.2.7.tgz",
+          "integrity": "sha512-CFjzYYAi4ThfiQvizrFQevTTXHtnCqWfe7x1AhgEscTz6ZbLbfoLRLPugTQyBth6f8ZERVUSyWHFD/7Wu4t1XQ==",
+          "requires": {
+            "ms": "^2.1.1"
+          }
+        }
+      }
+    },
     "neo-async": {
       "version": "2.6.2",
       "resolved": "https://registry.npmjs.org/neo-async/-/neo-async-2.6.2.tgz",
@@ -7569,6 +8222,51 @@
         "path-to-regexp": "^1.7.0"
       }
     },
+    "node-pre-gyp": {
+      "version": "0.14.0",
+      "resolved": "https://registry.npmjs.org/node-pre-gyp/-/node-pre-gyp-0.14.0.tgz",
+      "integrity": "sha512-+CvDC7ZttU/sSt9rFjix/P05iS43qHCOOGzcr3Ry99bXG7VX953+vFyEuph/tfqoYu8dttBkE86JSKBO2OzcxA==",
+      "requires": {
+        "detect-libc": "^1.0.2",
+        "mkdirp": "^0.5.1",
+        "needle": "^2.2.1",
+        "nopt": "^4.0.1",
+        "npm-packlist": "^1.1.6",
+        "npmlog": "^4.0.2",
+        "rc": "^1.2.7",
+        "rimraf": "^2.6.1",
+        "semver": "^5.3.0",
+        "tar": "^4.4.2"
+      },
+      "dependencies": {
+        "glob": {
+          "version": "7.2.0",
+          "resolved": "https://registry.npmjs.org/glob/-/glob-7.2.0.tgz",
+          "integrity": "sha512-lmLf6gtyrPq8tTjSmrO94wBeQbFR3HbLHbuyD69wuyQkImp2hWqMGB47OX65FBkPffO641IP9jWa1z4ivqG26Q==",
+          "requires": {
+            "fs.realpath": "^1.0.0",
+            "inflight": "^1.0.4",
+            "inherits": "2",
+            "minimatch": "^3.0.4",
+            "once": "^1.3.0",
+            "path-is-absolute": "^1.0.0"
+          }
+        },
+        "rimraf": {
+          "version": "2.7.1",
+          "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.7.1.tgz",
+          "integrity": "sha512-uWjbaKIK3T1OSVptzX7Nl6PvQ3qAGtKEtVRjRuazjfL3Bx5eI409VZSqgND+4UNnmzLVdPj9FqFJNPqBZFve4w==",
+          "requires": {
+            "glob": "^7.1.3"
+          }
+        },
+        "semver": {
+          "version": "5.7.1",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
+          "integrity": "sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ=="
+        }
+      }
+    },
     "node-preload": {
       "version": "0.2.1",
       "resolved": "https://registry.npmjs.org/node-preload/-/node-preload-0.2.1.tgz",
@@ -7584,12 +8282,44 @@
       "integrity": "sha512-XxYDdcQ6eKqp/YjI+tb2C5WM2LgjnZrfYg4vgQt49EK268b6gYCHsBLrK2qvJo4FmCtqmKezb0WZFK4fkrZNsg==",
       "dev": true
     },
+    "nopt": {
+      "version": "4.0.3",
+      "resolved": "https://registry.npmjs.org/nopt/-/nopt-4.0.3.tgz",
+      "integrity": "sha512-CvaGwVMztSMJLOeXPrez7fyfObdZqNUK1cPAEzLHrTybIua9pMdmmPR5YwtfNftIOMv3DPUhFaxsZMNTQO20Kg==",
+      "requires": {
+        "abbrev": "1",
+        "osenv": "^0.1.4"
+      }
+    },
     "normalize-path": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/normalize-path/-/normalize-path-3.0.0.tgz",
       "integrity": "sha512-6eZs5Ls3WtCisHWp9S2GUy8dqkpGi4BVSz3GaqiE6ezub0512ESztXUwUB6C6IKbQkY2Pnb/mD4WYojCRwcwLA==",
       "dev": true
     },
+    "npm-bundled": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/npm-bundled/-/npm-bundled-1.1.2.tgz",
+      "integrity": "sha512-x5DHup0SuyQcmL3s7Rx/YQ8sbw/Hzg0rj48eN0dV7hf5cmQq5PXIeioroH3raV1QC1yh3uTYuMThvEQF3iKgGQ==",
+      "requires": {
+        "npm-normalize-package-bin": "^1.0.1"
+      }
+    },
+    "npm-normalize-package-bin": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/npm-normalize-package-bin/-/npm-normalize-package-bin-1.0.1.tgz",
+      "integrity": "sha512-EPfafl6JL5/rU+ot6P3gRSCpPDW5VmIzX959Ob1+ySFUuuYHWHekXpwdUZcKP5C+DS4GEtdJluwBjnsNDl+fSA=="
+    },
+    "npm-packlist": {
+      "version": "1.4.8",
+      "resolved": "https://registry.npmjs.org/npm-packlist/-/npm-packlist-1.4.8.tgz",
+      "integrity": "sha512-5+AZgwru5IevF5ZdnFglB5wNlHG1AOOuw28WhUq8/8emhBmLv6jX5by4WJCh7lW0uSYZYS6DXqIsyZVIXRZU9A==",
+      "requires": {
+        "ignore-walk": "^3.0.1",
+        "npm-bundled": "^1.0.1",
+        "npm-normalize-package-bin": "^1.0.1"
+      }
+    },
     "npm-scripts-help": {
       "version": "0.8.0",
       "resolved": "https://registry.npmjs.org/npm-scripts-help/-/npm-scripts-help-0.8.0.tgz",
@@ -7647,6 +8377,22 @@
         }
       }
     },
+    "npmlog": {
+      "version": "4.1.2",
+      "resolved": "https://registry.npmjs.org/npmlog/-/npmlog-4.1.2.tgz",
+      "integrity": "sha512-2uUqazuKlTaSI/dC8AzicUck7+IrEaOnN/e0jd3Xtt1KcGpwx30v50mL7oPyr/h9bL3E4aZccVwpwP+5W9Vjkg==",
+      "requires": {
+        "are-we-there-yet": "~1.1.2",
+        "console-control-strings": "~1.1.0",
+        "gauge": "~2.7.3",
+        "set-blocking": "~2.0.0"
+      }
+    },
+    "number-is-nan": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/number-is-nan/-/number-is-nan-1.0.1.tgz",
+      "integrity": "sha1-CXtgK1NCKlIsGvuHkDGDNpQaAR0="
+    },
     "nyc": {
       "version": "15.1.0",
       "resolved": "https://registry.npmjs.org/nyc/-/nyc-15.1.0.tgz",
@@ -7810,11 +8556,15 @@
       "integrity": "sha512-fexhUFFPTGV8ybAtSIGbV6gOkSv8UtRbDBnAyLQw4QPKkgNlsH2ByPGtMUqdWkos6YCRmAqViwgZrJc/mRDzZQ==",
       "dev": true
     },
+    "object-assign": {
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz",
+      "integrity": "sha1-IQmtx5ZYh8/AXLvUQsrIv7s2CGM="
+    },
     "once": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
       "integrity": "sha1-WDsap3WWHUsROsF9nFC6753Xa9E=",
-      "dev": true,
       "requires": {
         "wrappy": "1"
       }
@@ -7844,6 +8594,25 @@
         "word-wrap": "^1.2.3"
       }
     },
+    "os-homedir": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/os-homedir/-/os-homedir-1.0.2.tgz",
+      "integrity": "sha1-/7xJiDNuDoM94MFox+8VISGqf7M="
+    },
+    "os-tmpdir": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/os-tmpdir/-/os-tmpdir-1.0.2.tgz",
+      "integrity": "sha1-u+Z0BseaqFxc/sdm/lc0VV36EnQ="
+    },
+    "osenv": {
+      "version": "0.1.5",
+      "resolved": "https://registry.npmjs.org/osenv/-/osenv-0.1.5.tgz",
+      "integrity": "sha512-0CWcCECdMVc2Rw3U5w9ZjqX6ga6ubk1xDVKxtBQPK7wis/0F2r9T6k4ydGYhecl7YUBxBVxhL5oisPsNxAPe2g==",
+      "requires": {
+        "os-homedir": "^1.0.0",
+        "os-tmpdir": "^1.0.0"
+      }
+    },
     "p-limit": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/p-limit/-/p-limit-3.1.0.tgz",
@@ -7912,8 +8681,7 @@
     "path-is-absolute": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
-      "integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18=",
-      "dev": true
+      "integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18="
     },
     "path-key": {
       "version": "3.1.1",
@@ -8097,6 +8865,11 @@
       "integrity": "sha512-vkcDPrRZo1QZLbn5RLGPpg/WmIQ65qoWWhcGKf/b5eplkkarX0m9z8ppCat4mlOqUsWpyNuYgO3VRyrYHSzX5g==",
       "dev": true
     },
+    "process-nextick-args": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-2.0.1.tgz",
+      "integrity": "sha512-3ouUOpQhtgrbOa17J7+uxOTpITYWaGP7/AhoR3+A+/1e9skrzelGi/dXzEYyvbxubEF6Wn2ypscTKiKJFFn1ag=="
+    },
     "process-on-spawn": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/process-on-spawn/-/process-on-spawn-1.0.0.tgz",
@@ -8139,6 +8912,45 @@
         "safe-buffer": "^5.1.0"
       }
     },
+    "rc": {
+      "version": "1.2.8",
+      "resolved": "https://registry.npmjs.org/rc/-/rc-1.2.8.tgz",
+      "integrity": "sha512-y3bGgqKj3QBdxLbLkomlohkvsA8gdAiUQlSBJnBhfn+BPxg4bc62d8TcBW15wavDfgexCgccckhcZvywyQYPOw==",
+      "requires": {
+        "deep-extend": "^0.6.0",
+        "ini": "~1.3.0",
+        "minimist": "^1.2.0",
+        "strip-json-comments": "~2.0.1"
+      },
+      "dependencies": {
+        "strip-json-comments": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/strip-json-comments/-/strip-json-comments-2.0.1.tgz",
+          "integrity": "sha1-PFMZQukIwml8DsNEhYwobHygpgo="
+        }
+      }
+    },
+    "readable-stream": {
+      "version": "2.3.7",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.7.tgz",
+      "integrity": "sha512-Ebho8K4jIbHAxnuxi7o42OrZgF/ZTNcsZj6nRKyUmkhLFq8CHItp/fy6hQZuZmP/n3yZ9VBUbp4zz/mX8hmYPw==",
+      "requires": {
+        "core-util-is": "~1.0.0",
+        "inherits": "~2.0.3",
+        "isarray": "~1.0.0",
+        "process-nextick-args": "~2.0.0",
+        "safe-buffer": "~5.1.1",
+        "string_decoder": "~1.1.1",
+        "util-deprecate": "~1.0.1"
+      },
+      "dependencies": {
+        "isarray": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
+          "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE="
+        }
+      }
+    },
     "readdirp": {
       "version": "3.6.0",
       "resolved": "https://registry.npmjs.org/readdirp/-/readdirp-3.6.0.tgz",
@@ -8266,14 +9078,17 @@
     "safe-buffer": {
       "version": "5.1.2",
       "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
-      "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==",
-      "dev": true
+      "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
     },
     "safer-buffer": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
-      "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==",
-      "dev": true
+      "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg=="
+    },
+    "sax": {
+      "version": "1.2.4",
+      "resolved": "https://registry.npmjs.org/sax/-/sax-1.2.4.tgz",
+      "integrity": "sha512-NqVDv9TpANUjFm0N8uM5GxL36UgKi9/atZw+x7YFnQ8ckwFGKrl4xX4yWtrey3UJm5nP1kUbnYgLopqWNSRhWw=="
     },
     "semver": {
       "version": "7.3.5",
@@ -8296,8 +9111,7 @@
     "set-blocking": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/set-blocking/-/set-blocking-2.0.0.tgz",
-      "integrity": "sha1-BF+XgtARrppoA93TgrJDkrPYkPc=",
-      "dev": true
+      "integrity": "sha1-BF+XgtARrppoA93TgrJDkrPYkPc="
     },
     "shebang-command": {
       "version": "2.0.0",
@@ -8328,8 +9142,7 @@
     "signal-exit": {
       "version": "3.0.7",
       "resolved": "https://registry.npmjs.org/signal-exit/-/signal-exit-3.0.7.tgz",
-      "integrity": "sha512-wnD2ZE+l+SPC/uoS0vXeE9L1+0wuaMqKlfz9AMUo38JsyLSBWSFcHR1Rri62LZc12vLr1gb3jl7iwQhgwpAbGQ==",
-      "dev": true
+      "integrity": "sha512-wnD2ZE+l+SPC/uoS0vXeE9L1+0wuaMqKlfz9AMUo38JsyLSBWSFcHR1Rri62LZc12vLr1gb3jl7iwQhgwpAbGQ=="
     },
     "sinon": {
       "version": "13.0.2",
@@ -8417,11 +9230,18 @@
         "tweetnacl": "~0.14.0"
       }
     },
+    "string_decoder": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
+      "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
+      "requires": {
+        "safe-buffer": "~5.1.0"
+      }
+    },
     "string-width": {
       "version": "4.2.3",
       "resolved": "https://registry.npmjs.org/string-width/-/string-width-4.2.3.tgz",
       "integrity": "sha512-wKyQRQpjJ0sIp62ErSZdGsjMJWsap5oRNihHhu6G7JVO/9jIB6UyevL+tXuOqrng8j/cxKTWyWUwvSTriiZz/g==",
-      "dev": true,
       "requires": {
         "emoji-regex": "^8.0.0",
         "is-fullwidth-code-point": "^3.0.0",
@@ -8432,7 +9252,6 @@
       "version": "6.0.1",
       "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-6.0.1.tgz",
       "integrity": "sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A==",
-      "dev": true,
       "requires": {
         "ansi-regex": "^5.0.1"
       }
@@ -8458,6 +9277,32 @@
         "has-flag": "^4.0.0"
       }
     },
+    "tar": {
+      "version": "4.4.19",
+      "resolved": "https://registry.npmjs.org/tar/-/tar-4.4.19.tgz",
+      "integrity": "sha512-a20gEsvHnWe0ygBY8JbxoM4w3SJdhc7ZAuxkLqh+nvNQN2IOt0B5lLgM490X5Hl8FF0dl0tOf2ewFYAlIFgzVA==",
+      "requires": {
+        "chownr": "^1.1.4",
+        "fs-minipass": "^1.2.7",
+        "minipass": "^2.9.0",
+        "minizlib": "^1.3.3",
+        "mkdirp": "^0.5.5",
+        "safe-buffer": "^5.2.1",
+        "yallist": "^3.1.1"
+      },
+      "dependencies": {
+        "safe-buffer": {
+          "version": "5.2.1",
+          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
+          "integrity": "sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ=="
+        },
+        "yallist": {
+          "version": "3.1.1",
+          "resolved": "https://registry.npmjs.org/yallist/-/yallist-3.1.1.tgz",
+          "integrity": "sha512-a4UGQaWPH59mOXUYnAG2ewncQS4i4F43Tv3JoAM+s2VDAmS9NsK8GpDMLrCHPksFT7h3K6TOoUNn2pb7RoXx4g=="
+        }
+      }
+    },
     "test-exclude": {
       "version": "6.0.0",
       "resolved": "https://registry.npmjs.org/test-exclude/-/test-exclude-6.0.0.tgz",
@@ -8711,6 +9556,11 @@
         "punycode": "^2.1.0"
       }
     },
+    "util-deprecate": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
+      "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8="
+    },
     "uuid": {
       "version": "8.3.2",
       "resolved": "https://registry.npmjs.org/uuid/-/uuid-8.3.2.tgz",
@@ -8766,6 +9616,14 @@
       "integrity": "sha1-2e8H3Od7mQK4o6j6SzHD4/fm6Ho=",
       "dev": true
     },
+    "wide-align": {
+      "version": "1.1.5",
+      "resolved": "https://registry.npmjs.org/wide-align/-/wide-align-1.1.5.tgz",
+      "integrity": "sha512-eDMORYaPNZ4sQIuuYPDHdQvf4gyCF9rEEV/yPxGfwPkRodwEgiMUUXTx/dex+Me0wxx53S+NgUHaP7y3MGlDmg==",
+      "requires": {
+        "string-width": "^1.0.2 || 2 || 3 || 4"
+      }
+    },
     "word-wrap": {
       "version": "1.2.3",
       "resolved": "https://registry.npmjs.org/word-wrap/-/word-wrap-1.2.3.tgz",
@@ -8798,8 +9656,7 @@
     "wrappy": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
-      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
-      "dev": true
+      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
     },
     "write-file-atomic": {
       "version": "3.0.3",
diff --git a/package.json b/package.json
index aecaba6..f8792cd 100644
--- a/package.json
+++ b/package.json
@@ -50,6 +50,7 @@
     "@types/node": "^17.0.29",
     "@types/pg": "^8.6.5",
     "@types/pg-format": "^1.0.2",
+    "murmurhash-native": "^3.5.0",
     "pg": "^8.7.3",
     "pg-format": "^1.0.4",
     "uuid": "^8.3.2"
diff --git a/src/PgIpLock.ts b/src/PgIpLock.ts
index 003ea8b..0ac142a 100644
--- a/src/PgIpLock.ts
+++ b/src/PgIpLock.ts
@@ -17,7 +17,6 @@ import { Notification } from 'pg';
 import { ident, literal } from 'pg-format';
 import { clearInterval } from 'timers';
 import {
-    DESTROY_LOCK_ON_START,
     SCHEMA_NAME,
     SHUTDOWN_TIMEOUT,
 } from './constants';
@@ -90,10 +89,12 @@ export class PgIpLock implements AnyLock {
      * @constructor
      * @param {string} channel - source channel name to manage locking on
      * @param {PgIpLockOptions} options - lock instantiate options
+     * @param {string} [uniqueKey] - unique key for specific message
      */
     public constructor(
         public readonly channel: string,
         public readonly options: PgIpLockOptions,
+        public readonly uniqueKey?: string,
     ) {
         this.channel = `__${PgIpLock.name}__:${
             channel.replace(RX_LOCK_CHANNEL, '')
@@ -112,7 +113,7 @@ export class PgIpLock implements AnyLock {
         await this.createSchema();
         await Promise.all([this.createLock(), this.createDeadlockCheck()]);
 
-        if (this.notifyHandler) {
+        if (this.notifyHandler && !this.uniqueKey) {
             this.options.pgClient.on('notification', this.notifyHandler);
         }
 
@@ -120,16 +121,13 @@ export class PgIpLock implements AnyLock {
             PgIpLock.instances.push(this);
         }
 
-        await this.listen();
+        if (!this.uniqueKey) {
+            await this.listen();
 
-        !this.acquireTimer && (this.acquireTimer = setInterval(
-            async () => !this.acquired && this.acquire(),
-            this.options.acquireInterval,
-        ));
-
-        // istanbul ignore if
-        if (DESTROY_LOCK_ON_START) {
-            await destroyLock();
+            !this.acquireTimer && (this.acquireTimer = setInterval(
+                () => !this.acquired && this.acquire(),
+                this.options.acquireInterval,
+            ));
         }
     }
 
@@ -167,19 +165,10 @@ export class PgIpLock implements AnyLock {
      */
     public async acquire(): Promise<boolean> {
         try {
-            // it will not throw on successful insert
-            // noinspection SqlResolve
-            await this.options.pgClient.query(`
-                INSERT INTO ${PgIpLock.schemaName}.lock (channel, app)
-                VALUES (
-                    ${literal(this.channel)},
-                    ${literal(this.options.pgClient.appName)}
-                ) ON CONFLICT (channel) DO
-                UPDATE SET app = ${PgIpLock.schemaName}.deadlock_check(
-                    ${PgIpLock.schemaName}.lock.app,
-                    ${literal(this.options.pgClient.appName)}
-                )
-            `);
+            this.uniqueKey
+                ? await this.acquireUniqueLock()
+                : await this.acquireChannelLock()
+            ;
             this.acquired = true;
         } catch (err) {
             // will throw, because insert duplicates existing lock
@@ -194,6 +183,47 @@ export class PgIpLock implements AnyLock {
         return this.acquired;
     }
 
+    /**
+     * Acquires a lock with ID
+     *
+     * @return {Promise<void>}
+     */
+    private async acquireUniqueLock(): Promise<void> {
+        // noinspection SqlResolve
+        await this.options.pgClient.query(`
+            INSERT INTO ${PgIpLock.schemaName}.lock (id, channel, app)
+            VALUES (
+                ${literal(this.uniqueKey)},
+                ${literal(this.channel)},
+                ${literal(this.options.pgClient.appName)}
+            ) ON CONFLICT (id) DO
+            UPDATE SET app = ${PgIpLock.schemaName}.deadlock_check(
+                ${PgIpLock.schemaName}.lock.app,
+                ${literal(this.options.pgClient.appName)}
+            )
+        `);
+    }
+
+    /**
+     * Acquires a lock by unique channel
+     *
+     * @return {Promise<void>}
+     */
+    private async acquireChannelLock(): Promise<void> {
+        // noinspection SqlResolve
+        await this.options.pgClient.query(`
+             INSERT INTO ${PgIpLock.schemaName}.lock (channel, app)
+             VALUES (
+                 ${literal(this.channel)},
+                 ${literal(this.options.pgClient.appName)}
+             ) ON CONFLICT (channel) DO
+             UPDATE SET app = ${PgIpLock.schemaName}.deadlock_check(
+                 ${PgIpLock.schemaName}.lock.app,
+                 ${literal(this.options.pgClient.appName)}
+             )
+         `);
+    }
+
     /**
      * Releases acquired lock on this channel. After lock is released, another
      * running process or host would be able to acquire the lock.
@@ -201,15 +231,23 @@ export class PgIpLock implements AnyLock {
      * @return {Promise<void>}
      */
     public async release(): Promise<void> {
-        if (!this.acquired) {
-            return ; // nothing to release, this lock has not been acquired
-        }
+        if (this.uniqueKey) {
+            // noinspection SqlResolve
+            await this.options.pgClient.query(`
+                DELETE FROM ${PgIpLock.schemaName}.lock
+                WHERE id=${literal(this.uniqueKey)}
+            `);
+        } else {
+            if (!this.acquired) {
+                return ; // nothing to release, this lock has not been acquired
+            }
 
-        // noinspection SqlResolve
-        await this.options.pgClient.query(`
-            DELETE FROM ${PgIpLock.schemaName}.lock
-            WHERE channel=${literal(this.channel)}
-        `);
+            // noinspection SqlResolve
+            await this.options.pgClient.query(`
+                DELETE FROM ${PgIpLock.schemaName}.lock
+                WHERE channel=${literal(this.channel)}
+            `);
+        }
 
         this.acquired = false;
     }
@@ -287,10 +325,76 @@ export class PgIpLock implements AnyLock {
      * @return {Promise<void>}
      */
     private async createLock(): Promise<void> {
+        // istanbul ignore if
+        if (this.uniqueKey) {
+            await this.createUniqueLock();
+
+            return ;
+        }
+
+        await this.createChannelLock();
+    }
+
+    /**
+     * Creates unique locks by IDs in the database
+     *
+     * @return {Promise<void>}
+     */
+    private async createUniqueLock(): Promise<void> {
         await this.options.pgClient.query(`
-            CREATE TABLE IF NOT EXISTS ${PgIpLock.schemaName}.lock (
-                channel CHARACTER VARYING NOT NULL PRIMARY KEY,
-                app CHARACTER VARYING NOT NULL)
+            DO $$
+                BEGIN
+                    IF NOT EXISTS (
+                        SELECT *
+                        FROM information_schema.columns
+                        WHERE table_schema = '${ PgIpLock.schemaName }'
+                          AND table_name = 'lock'
+                          AND column_name = 'id'
+                    ) THEN
+                        DROP TABLE IF EXISTS ${ PgIpLock.schemaName }.lock;
+                    END IF;
+                END
+            $$
+        `);
+        await this.options.pgClient.query(`
+            CREATE TABLE IF NOT EXISTS ${ PgIpLock.schemaName }."lock" (
+                "id" CHARACTER VARYING NOT NULL PRIMARY KEY,
+                "channel" CHARACTER VARYING NOT NULL,
+                "app" CHARACTER VARYING NOT NULL
+            )
+        `);
+        await this.options.pgClient.query(`
+            DROP TRIGGER IF EXISTS notify_release_lock_trigger
+                ON ${PgIpLock.schemaName}.lock
+        `);
+    }
+
+    /**
+     * Creates locks by channel names in the database
+     *
+     * @return {Promise<void>}
+     */
+    private async createChannelLock(): Promise<void> {
+        await this.options.pgClient.query(`
+            DO $$
+                BEGIN
+                    IF EXISTS (
+                        SELECT *
+                        FROM information_schema.columns
+                        WHERE table_schema = '${ PgIpLock.schemaName }'
+                          AND table_name = 'lock'
+                          AND column_name = 'id'
+                    ) THEN
+                        DROP TABLE IF EXISTS ${ PgIpLock.schemaName }.lock;
+                    END IF;
+                END
+            $$
+        `);
+        await this.options.pgClient.query(`
+            CREATE TABLE IF NOT EXISTS ${ PgIpLock.schemaName }."lock" (
+                "channel" CHARACTER VARYING NOT NULL PRIMARY KEY,
+                "app" CHARACTER VARYING NOT NULL
+            )
         `);
         // noinspection SqlResolve
         await this.options.pgClient.query(`
@@ -298,15 +402,32 @@ export class PgIpLock implements AnyLock {
             RETURNS TRIGGER LANGUAGE PLPGSQL AS $$
             BEGIN PERFORM PG_NOTIFY(OLD.channel, '1'); RETURN OLD; END; $$
         `);
-        // noinspection SqlResolve
         await this.options.pgClient.query(`
-            DROP TRIGGER IF EXISTS notify_release_lock_trigger
-                ON ${ PgIpLock.schemaName }.lock;
-            CREATE CONSTRAINT TRIGGER notify_release_lock_trigger
-            AFTER DELETE ON ${PgIpLock.schemaName}.lock
-            DEFERRABLE INITIALLY DEFERRED
-            FOR EACH ROW EXECUTE PROCEDURE ${PgIpLock.schemaName}.notify_lock()
+            BEGIN
         `);
+
+        try {
+            await this.options.pgClient.query(`
+                DROP TRIGGER IF EXISTS notify_release_lock_trigger
+                    ON ${ PgIpLock.schemaName }.lock
+            `);
+            // noinspection SqlResolve
+            await this.options.pgClient.query(`
+                CREATE CONSTRAINT TRIGGER notify_release_lock_trigger
+                AFTER DELETE ON ${PgIpLock.schemaName}.lock
+                DEFERRABLE INITIALLY DEFERRED
+                FOR EACH ROW EXECUTE PROCEDURE ${
+            PgIpLock.schemaName}.notify_lock()
+            `);
+            await this.options.pgClient.query(`
+                COMMIT
+            `);
+        } catch (err) {
+            // istanbul ignore next
+            await this.options.pgClient.query(`
+                ROLLBACK
+            `);
+        }
     }
 
     /**
@@ -316,22 +437,35 @@ export class PgIpLock implements AnyLock {
      */
     private async createDeadlockCheck(): Promise<void> {
         await this.options.pgClient.query(`
-            CREATE OR REPLACE FUNCTION ${PgIpLock.schemaName}.deadlock_check(
-                old_app TEXT,
-                new_app TEXT)
-            RETURNS TEXT LANGUAGE PLPGSQL AS $$
-            DECLARE num_apps INTEGER;
             BEGIN
-                SELECT count(query) INTO num_apps
-                FROM pg_stat_activity
-                WHERE application_name = old_app;
-                IF num_apps > 0 THEN
-                    RAISE EXCEPTION 'Duplicate channel for app %', new_app
-                    USING DETAIL = 'LOCKED';
-                END IF;
-                RETURN new_app;
-            END; $$;
         `);
+        try {
+            await this.options.pgClient.query(`
+                CREATE OR REPLACE FUNCTION ${PgIpLock.schemaName}.deadlock_check(
+                    old_app TEXT,
+                    new_app TEXT)
+                RETURNS TEXT LANGUAGE PLPGSQL AS $$
+                DECLARE num_apps INTEGER;
+                BEGIN
+                    SELECT count(query) INTO num_apps
+                    FROM pg_stat_activity
+                    WHERE application_name = old_app;
+                    IF num_apps > 0 THEN
+                        RAISE EXCEPTION 'Duplicate channel for app %', new_app
+                        USING DETAIL = 'LOCKED';
+                    END IF;
+                    RETURN new_app;
+                END; $$;
+            `);
+            await this.options.pgClient.query(`
+                COMMIT
+            `);
+        } catch (err) {
+            // istanbul ignore next
+            await this.options.pgClient.query(`
+                ROLLBACK
+            `);
+        }
     }
 }
 
@@ -374,9 +508,6 @@ async function destroyLock(): Promise<number> {
     }
 }
 
-// istanbul ignore else
-if (!DESTROY_LOCK_ON_START) {
-    process.on('SIGTERM', terminate);
-    process.on('SIGINT',  terminate);
-    process.on('SIGABRT', terminate);
-}
+process.on('SIGTERM', terminate);
+process.on('SIGINT',  terminate);
+process.on('SIGABRT', terminate);
diff --git a/src/PgPubSub.ts b/src/PgPubSub.ts
index 8af7c38..d50fad6 100644
--- a/src/PgPubSub.ts
+++ b/src/PgPubSub.ts
@@ -35,7 +35,7 @@ import {
     PgIpLock,
     PgPubSubOptions,
     reconnect,
-    RX_LOCK_CHANNEL,
+    RX_LOCK_CHANNEL, signature,
     unlisten,
     unpack,
 } from '.';
@@ -316,7 +316,10 @@ export class PgPubSub extends EventEmitter {
         this.pgClient.on('end', () => this.emit('end'));
         this.pgClient.on('error', () => this.emit('error'));
 
-        this.onNotification = this.onNotification.bind(this);
+        this.onNotification = this.options.executionLock
+            ? this.onNotificationLockExec.bind(this)
+            : this.onNotification.bind(this)
+        ;
         this.reconnect = this.reconnect.bind(this);
         this.onReconnect = this.onReconnect.bind(this);
 
@@ -379,10 +382,17 @@ export class PgPubSub extends EventEmitter {
      * @return {Promise<void>}
      */
     public async listen(channel: string): Promise<void> {
-        const lock = await this.lock(channel);
+        // istanbul ignore if
+        if (this.options.executionLock) {
+            await this.pgClient.query(`LISTEN ${ident(channel)}`);
+            this.emit('listen', channel);
+            return ;
+        }
 
+        const lock = await this.lock(channel);
+        const acquired = await lock.acquire();
         // istanbul ignore else
-        if (await lock.acquire()) {
+        if (acquired) {
             await this.pgClient.query(`LISTEN ${ident(channel)}`);
             this.emit('listen', channel);
         }
@@ -570,6 +580,48 @@ export class PgPubSub extends EventEmitter {
         this.channels.emit(notification.channel, payload);
     }
 
+    /**
+     * Database notification event handler for execution lock
+     *
+     * @access private
+     * @param {Notification} notification - database message data
+     * @return {Promise<void>}
+     */
+    private async onNotificationLockExec(
+        notification: Notification,
+    ): Promise<void> {
+        const skip = RX_LOCK_CHANNEL.test(notification.channel) || (
+            this.options.filtered && this.processId === notification.processId
+        );
+
+        if (skip) {
+            // as we use the same connection with locks mechanism
+            // we should avoid pub/sub client to parse lock channels data
+            // and also filter same-notify-channel messages if filtered option
+            // is set to true
+            return ;
+        }
+
+        const lock = await this.createLock(notification.channel, signature(
+            notification.processId,
+            notification.channel,
+            notification.payload,
+        ));
+
+        await lock.acquire();
+
+        // istanbul ignore if
+        if (this.options.singleListener && !lock.isAcquired()) {
+            return; // we are not really a listener
+        }
+
+        const payload = unpack(notification.payload);
+
+        this.emit('message', notification.channel, payload);
+        this.channels.emit(notification.channel, payload);
+        await lock.release();
+    }
+
     /**
      * On reconnect event emitter
      *
@@ -630,18 +682,22 @@ export class PgPubSub extends EventEmitter {
      * Instantiates new lock, properly initializes it and returns
      *
      * @param {string} channel
+     * @param {string} [uniqueKey]
      * @return {Promise<AnyLock>}
      */
-    private async createLock(channel: string): Promise<AnyLock> {
+    private async createLock(
+        channel: string,
+        uniqueKey?: string,
+    ): Promise<AnyLock> {
         if (this.options.singleListener) {
             const lock = new PgIpLock(channel, {
                 pgClient: this.pgClient,
                 logger: this.logger,
                 acquireInterval: this.options.acquireInterval,
-            });
+            }, uniqueKey);
 
             await lock.init();
-            lock.onRelease(chan => this.listen(chan));
+            !uniqueKey && lock.onRelease(chan => this.listen(chan));
 
             return lock;
         }
diff --git a/src/constants.ts b/src/constants.ts
index ef93f66..149f5db 100644
--- a/src/constants.ts
+++ b/src/constants.ts
@@ -21,6 +21,6 @@ export const RETRY_DELAY = 100;
 export const RETRY_LIMIT = Infinity;
 export const IS_ONE_PROCESS = true;
 export const ACQUIRE_INTERVAL = 30000;
-export const DESTROY_LOCK_ON_START = !!+(
-    process.env.PG_PUBSUB_DESTROY_LOCK_ON_START || 0
+export const EXECUTION_LOCK = !!+(
+    process.env.PG_PUBSUB_EXECUTION_LOCK || 0
 );
diff --git a/src/helpers.ts b/src/helpers.ts
index 16f54e4..40d0a2f 100644
--- a/src/helpers.ts
+++ b/src/helpers.ts
@@ -14,6 +14,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 import { AnyJson, AnyLogger } from './types';
+import { murmurHash64 } from 'murmurhash-native';
 
 /**
  * Performs JSON.stringify on a given input taking into account
@@ -82,3 +83,20 @@ export function unpack(input?: string, logger?: AnyLogger): AnyJson {
         return {};
     }
 }
+
+/**
+ * Constructs and returns hash string for a given set of processId, channel
+ * and payload.
+ *
+ * @param {string} processId
+ * @param {string} channel
+ * @param {any} payload
+ * @returns {string}
+ */
+export function signature(
+    processId: number,
+    channel: string,
+    payload: any,
+): string {
+    return murmurHash64(JSON.stringify([processId, channel, payload]));
+}
diff --git a/src/types/PgPubSubOptions.ts b/src/types/PgPubSubOptions.ts
index c530c9c..9c3317a 100644
--- a/src/types/PgPubSubOptions.ts
+++ b/src/types/PgPubSubOptions.ts
@@ -16,6 +16,7 @@
 import { Client, ClientConfig } from 'pg';
 import {
     ACQUIRE_INTERVAL,
+    EXECUTION_LOCK,
     IS_ONE_PROCESS,
     RETRY_DELAY,
     RETRY_LIMIT,
@@ -87,6 +88,14 @@ export interface PgPubSubOptions extends ClientConfig {
      * @type {boolean}
      */
     filtered: boolean;
+
+    /**
+     * If set to true, all instances become listeners but only instance is an
+     * executor which still implements inter-process locking mechanism.
+     *
+     * @type {boolean}
+     */
+    executionLock: boolean;
 }
 
 /**
@@ -101,4 +110,5 @@ export const DefaultOptions: PgPubSubOptions = Object.freeze({
     singleListener: IS_ONE_PROCESS,
     acquireInterval: ACQUIRE_INTERVAL,
     filtered: false,
+    executionLock: EXECUTION_LOCK,
 });
diff --git a/test/src/PgPubSub.ts b/test/src/PgPubSub.ts
index 49cceac..71f9825 100644
--- a/test/src/PgPubSub.ts
+++ b/test/src/PgPubSub.ts
@@ -24,6 +24,15 @@ describe('PgPubSub', () => {
     let pgClient: Client;
     let pubSub: PgPubSub;
 
+    const listenFunc = (pubSubCopy: PgPubSub) => {
+        pubSubCopy.listen('TestChannel').then(() => {
+            pgClient.emit('notification', {
+                channel: 'TestChannel',
+                payload: 'true',
+            });
+        });
+    }
+
     beforeEach(() => {
         pgClient = new Client();
         pubSub = new PgPubSub({ pgClient });
@@ -192,12 +201,7 @@ describe('PgPubSub', () => {
         it('should handle messages from db with acquired lock', done => {
             pubSub.options.singleListener = true;
 
-            pubSub.listen('TestChannel').then(() => {
-                pgClient.emit('notification', {
-                    channel: 'TestChannel',
-                    payload: 'true',
-                });
-            });
+            listenFunc(pubSub);
 
             pubSub.on('message', (chanel, message) => {
                 expect(chanel).equals('TestChannel');
@@ -230,7 +234,7 @@ describe('PgPubSub', () => {
             const channel = `__${PgIpLock.name}__:TestChannel`;
 
             await pubSub.listen('TestChannel');
-            await pgClient.emit('notification', {
+            pgClient.emit('notification', {
                 channel,
                 payload: 'true',
             });
@@ -240,6 +244,34 @@ describe('PgPubSub', () => {
             )).to.be.false;
             expect(spyChannel.called).to.be.false;
         });
+        it('should handle messages from db with acquired execution '
+            + 'lock', done => {
+            pubSub = new PgPubSub({
+                pgClient, executionLock: true, singleListener: true,
+            });
+
+            listenFunc(pubSub);
+
+            pubSub.on('message', (chanel, message) => {
+                expect(chanel).equals('TestChannel');
+                expect(message).equals(true);
+                done();
+            });
+        });
+        it('should handle messages from db with acquired execution '
+            + 'lock and multiple listeners', done => {
+            pubSub = new PgPubSub({
+                pgClient, executionLock: true, singleListener: false,
+            });
+
+            listenFunc(pubSub);
+
+            pubSub.on('message', (chanel, message) => {
+                expect(chanel).equals('TestChannel');
+                expect(message).equals(true);
+                done();
+            });
+        });
     });
     describe('unlisten()', () => {
         it('should call SQL UNLISTEN "channel" command', async () => {
@@ -466,6 +498,42 @@ describe('PgPubSub', () => {
 
             expect(counter).equals(1);
         });
+        it('should filter messages if set and "filtered" option is set and'
+            + ' execution lock is set', async () => {
+            const pubSubCopy = new PgPubSub({
+                singleListener: false,
+                filtered: false,
+                executionLock: true,
+                pgClient,
+            });
+            (pubSubCopy as any).processId = 7777;
+
+            await pubSubCopy.listen('Test');
+            let counter = 0;
+
+            pubSubCopy.channels.on('Test', () => ++counter);
+            pgClient.emit('notification', {
+                processId: 7777,
+                channel: 'Test',
+                payload: 'true',
+            });
+
+            await new Promise(res => setTimeout(res));
+
+            expect(counter).equals(1);
+
+            pubSubCopy.options.filtered = true;
+            pgClient.emit('notification', {
+                processId: 7777,
+                channel: 'Test',
+                payload: 'true',
+            });
+
+            await new Promise(res => setTimeout(res));
+
+            expect(counter).equals(1);
+            await pubSub.destroy();
+        });
     });
     describe('destroy()', () => {
         it('should properly handle destruction', async () => {