. */ /** * Doctrine_Node_AdjacencyList_PreOrderIterator * * @package Doctrine * @license http://www.opensource.org/licenses/lgpl-license.php LGPL * @category Object Relational Mapping * @link www.phpdoctrine.com * @since 1.0 * @version $Revision$ * @author Joe Simms */ abstract class Doctrine_Node_AdjacencyList_PreOrderIterator implements Iterator {}