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<?php /** * Copyright (c) 2013-2020 Nicolò Martini * * For the full copyright and license information, please view * the LICENSE.md file that was distributed with this source code. * * @see https://github.com/nicmart/Tree */ namespace Tree\Visitor; use Tree\Node\NodeInterface; /** * Visitor interface for Nodes. * * @author Nicolò Martini <nicmartnic@gmail.com> */ interface Visitor { /** * @param NodeInterface $node * * @return mixed */ public function visit(NodeInterface $node); }