NullInterwikiLookup.php
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NullInterwikiLookup.php
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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 ) {
	}
	}