make all properties private

Conflicts:

	src/Transformer/Callback.php

src/Constraint/Callback.php

@@ -9,8 +9,7 @@
  */
 class Callback extends Constraint
 {
-    protected $message;
-    protected $callback;
+    private $callback;
 
     /**
      * Constructor.

src/Constraint/Type.php

@@ -9,8 +9,7 @@
  */
 class Type extends Constraint
 {
-    protected $message;
-    protected $type;
+    private $type;
 
     /**
      * Constructor.

src/Data.php

@@ -7,10 +7,10 @@
  */
 class Data
 {
-    protected $input;
-    protected $result;
-    protected $errors = [];
-    protected $propertyPath = [];
+    private $input;
+    private $result;
+    private $errors = [];
+    private $propertyPath = [];
 
     /**
      * Constructor.

src/Emitter.php

@@ -7,7 +7,7 @@
  */
 class Emitter
 {
-    protected $callbacks = [];
+    private $callbacks = [];
 
     /**
      * Adds an event listener.

src/Error.php

@@ -7,8 +7,8 @@
  */
 class Error
 {
-    protected $message;
-    protected $propertyPath = [];
+    private $message;
+    private $propertyPath = [];
 
     /**
      * Constructor.

src/Extension/Multiple.php

@@ -49,7 +49,7 @@ public function multiple(Mapping $proto)
      *
      * @throw InvalidArgumentException If given data is not an array
      */
-    protected function resize(Mapping $mapping, Mapping $proto, $input)
+    private function resize(Mapping $mapping, Mapping $proto, $input)
     {
         if (!is_array($input)) {
             throw new \InvalidArgumentException('The input must be an array.');

src/Extension/SymfonyValidation.php

@@ -16,7 +16,7 @@
  */
 class SymfonyValidation implements ExtensionInterface
 {
-    protected $validator;
+    private $validator;
 
     /**
      * Constructor.

src/Factory.php

@@ -7,7 +7,7 @@
  */
 class Factory
 {
-    protected $extensions = [];
+    private $extensions = [];
 
     /**
      * Constructor.

src/Mapping.php

@@ -7,9 +7,9 @@
  */
 class Mapping
 {
-    protected $emitter;
-    protected $extensions = [];
-    protected $children = [];
+    private $emitter;
+    private $extensions = [];
+    private $children = [];
 
     /**
      * Constructor.

src/Transformer/Callback.php

@@ -9,9 +9,9 @@
  */
 class Callback extends Transformer
 {
-    protected $transform;
-    protected $reverseTransform;
-    protected $expand = true;
+    private $transform;
+    private $reverseTransform;
+    private $expand = true;
 
     /**
      * Constructor.

src/ValidationException.php

@@ -7,7 +7,7 @@
  */
 class ValidationException extends \Exception
 {
-    protected $errors = [];
+    private $errors = [];
 
     /**
      * Constructor.