Symfony\Component\Config\Definition\Builder\ArrayNodeDefinition::__construct PHP Method

    public function __construct($name, NodeParentInterface $parent = null)
    {
        parent::__construct($name, $parent);
        $this->nullEquivalent = array();
        $this->trueEquivalent = array();
    }

 /**
  * @param string $name
  * @param NodeParentInterface $parent
  */
 public function __construct($name, NodeParentInterface $parent = null)
 {
     parent::__construct($name, $parent);
     $this->nodeBuilder = new NodeBuilder();
     $this->prototype('path');
     $this->beforeNormalization()->always(function ($value) {
         if (!is_array($value)) {
             $value = [$value];
         }
         return $value;
     });
 }