Merge branch '3.4'

* 3.4:
  [HttpFoundation] refactoring: calculate when need
  [Serializer] Fix extra attributes when no group specified
  [Intl] Make intl-data tests pass and save language aliases again
  [FrameworkBundle][Config] fix: do not add resource checkers for debug=false
  [DI] Fix "almost-circular" dependencies handling
  [Console] Fix CommandTester::setInputs() docblock
  Only enabling validation if it is present
  Fix displaying errors for bootstrap 4
  [Serializer] readd default argument value
  Fix reference dump for deprecated nodes
  [PhpUnitBridge] Fixed fatal error in CoverageListener when something goes wrong in Test::setUpBeforeClass
  [HttpKernel] Let the storage manage the session starts
  [VarDumper] fix trailling comma when dumping an exception
  [Validator] Fix TraceableValidator is reset on data collector instantiation
  Remove useless docblocks
  [FrameworkBundle] Fix docblocks
  [PropertyInfo] Remove useless docblocks

Author: nicolas-grekas

OptionsResolver.php

@@ -28,29 +28,21 @@ class OptionsResolver implements Options
 {
     /**
      * The names of all defined options.
-     *
-     * @var array
      */
     private $defined = array();
 
     /**
      * The default option values.
-     *
-     * @var array
      */
     private $defaults = array();
 
     /**
      * The names of required options.
-     *
-     * @var array
      */
     private $required = array();
 
     /**
      * The resolved option values.
-     *
-     * @var array
      */
     private $resolved = array();
 
@@ -63,31 +55,23 @@ class OptionsResolver implements Options
 
     /**
      * A list of accepted values for each option.
-     *
-     * @var array
      */
     private $allowedValues = array();
 
     /**
      * A list of accepted types for each option.
-     *
-     * @var array
      */
     private $allowedTypes = array();
 
     /**
      * A list of closures for evaluating lazy options.
-     *
-     * @var array
      */
     private $lazy = array();
 
     /**
      * A list of lazy options whose closure is currently being called.
      *
      * This list helps detecting circular dependencies between lazy options.
-     *
-     * @var array
      */
     private $calling = array();
 
@@ -98,8 +82,6 @@ class OptionsResolver implements Options
      * necessary in order to avoid inconsistencies during the resolving
      * process. If any option is changed after being read, all evaluated
      * lazy options that depend on this option would become invalid.
-     *
-     * @var bool
      */
     private $locked = false;