/**
  * Constructor for array tree writer
  *
  * @param array $visitors
  * @param \Tx_PtExtbase_Tree_ArrayWriterVisitor|\Tx_PtExtbase_Tree_TreeWalkerVisitorInterface $arrayWriterVisitor
  */
 public function __construct(array $visitors, Tx_PtExtbase_Tree_TreeWalkerVisitorInterface $arrayWriterVisitor)
 {
     parent::__construct($visitors);
     $this->arrayWriterVisitor = $arrayWriterVisitor;
 }
 /**
  * Constructor for nested sets tree walker.
  *
  * We add nestedSetVisitor explicitly as reference. You have to add it to array of visitors, too!
  *
  * @param array $visitors
  * @param Tx_PtExtbase_Tree_NestedSetVisitor $nestedSetVisitor
  */
 public function __construct(array $visitors, Tx_PtExtbase_Tree_NestedSetVisitor $nestedSetVisitor)
 {
     parent::__construct($visitors);
     $this->nestedSetVisitor = $nestedSetVisitor;
 }