<?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;
}