[COMPOSER] Add new php-ffmpeg package

vendor/nikic/php-parser/lib/PhpParser/NodeTraverserInterface.php

@@ -0,0 +1,48 @@
+<?php
+
+namespace PhpParser;
+
+interface NodeTraverserInterface
+{
+    /**
+     * If NodeVisitor::enterNode() returns DONT_TRAVERSE_CHILDREN, child nodes
+     * of the current node will not be traversed for any visitors.
+     *
+     * For subsequent visitors enterNode() will still be called on the current
+     * node and leaveNode() will also be invoked for the current node.
+     */
+    const DONT_TRAVERSE_CHILDREN = 1;
+
+    /**
+     * If NodeVisitor::leaveNode() returns REMOVE_NODE for a node that occurs
+     * in an array, it will be removed from the array.
+     *
+     * For subsequent visitors leaveNode() will still be invoked for the
+     * removed node.
+     */
+    const REMOVE_NODE = false;
+
+    /**
+     * 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);
+}
+