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<?php
namespace Gt\Dom;
use Iterator;
/**
* The TreeWalker object represents the nodes of a document subtree and a
* position within them.
*
* A TreeWalker can be created using the Document.createTreeWalker() method.
*
* @link https://developer.mozilla.org/en-US/docs/Web/API/TreeWalker
*
* @property-read Node|Element $root Returns a Node representing the root node as specified when the TreeWalker was created.
* @property-read int $whatToShow Returns an unsigned long being a bitmask made of constants describing the types of Node that must be presented. Non-matching nodes are skipped, but their children may be included, if relevant. The possible values are NodeFilter.SHOW_* constants.
* @property-read NodeFilter $filter Returns a NodeFilter used to select the relevant nodes.
* @property-read Node|Element $currentNode Is the Node on which the TreeWalker is currently pointing at.
*
* @implements Iterator<int, Node|Element|Attr|Comment|Text|ProcessingInstruction>
*
* Many thanks to Timo Tijhof for their dom-TreeWalker-polyfill project which
* helped as reference while implementing this functionality:
* https://github.com/Krinkle/dom-TreeWalker-polyfill
*/
class TreeWalker implements Iterator {
use Traversal;
}