NodeTraverserInterface.php
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NodeTraverserInterface.php
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	<?php declare(strict_types=1);

	namespace PhpParser;

	interface NodeTraverserInterface
	{
	/**
	* Adds a visitor.
	*
	* @param NodeVisitor $visitor Visitor to add
	*/
	public function addVisitor(NodeVisitor $visitor);

	/**
	* Removes an added visitor.
	*
	* @param NodeVisitor $visitor
	*/
	public function removeVisitor(NodeVisitor $visitor);

	/**
	* Traverses an array of nodes using the registered visitors.
	*
	* @param Node[] $nodes Array of nodes
	*
	* @return Node[] Traversed array of nodes
	*/
	public function traverse(array $nodes) : array;
	}