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<?php
/**
 * Copyright (C) 2018 Kunal Mehta <legoktm@debian.org>
 *
 * 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.
 *
 * @file
 */

namespace MediaWiki\Interwiki;

/**
 * An interwiki lookup that has no data, intended
 * for use in the installer.
 *
 * @since 1.31
 */
class NullInterwikiLookup implements InterwikiLookup {

/**
	 * @inheritDoc
	 */
	public function isValidInterwiki( $prefix ) {
		return false;
	}

/**
	 * @inheritDoc
	 */
	public function fetch( $prefix ) {
		return false;
	}

/**
	 * @inheritDoc
	 */
	public function getAllPrefixes( $local = null ) {
		return [];
	}

/**
	 * @inheritDoc
	 */
	public function invalidateCache( $prefix ) {
	}
}

/var/www/html/1c732/../mediawiki/includes/Revision/../debug/../interwiki/NullInterwikiLookup.php