<?php namespace PhpParser; interface NodeTraverserInterface { /** * Adds a visitor. * * @param NodeVisitor $visitor Visitor to add */ function addVisitor(NodeVisitor $visitor); /** * Removes an added visitor. * * @param NodeVisitor $visitor */ 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 */ function traverse(array $nodes); }