<?php
/**
 * Wraps a non-recursive iterator with methods to be recursive
 * without children.
 *
 * Alternatively wraps a recursive iterator to prevent recursing deeper
 * than the wrapped iterator.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 * http://www.gnu.org/copyleft/gpl.html
 *
 * @file
 * @ingroup Maintenance
 */
class NotRecursiveIterator extends IteratorDecorator implements RecursiveIterator {
	public function hasChildren(): bool {
		return false;
	}

	public function getChildren(): ?RecursiveIterator {
		// @phan-suppress-next-line PhanTypeMismatchReturnProbablyReal False positive
		return null;
	}
}
