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<?php declare(strict_types=1); namespace PhpParser; /** * @codeCoverageIgnore */ abstract class NodeVisitorAbstract implements NodeVisitor { public function beforeTraverse(array $nodes) { return null; } public function enterNode(Node $node) { return null; } public function leaveNode(Node $node) { return null; } public function afterTraverse(array $nodes) { return null; } }