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<?php
/**
* MediaWiki\Session\Provider interface
*
* 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 Session
*/
namespace MediaWiki\Session;
use Language;
/**
* This exists to make IDEs happy, so they don't see the
* internal-but-required-to-be-public methods on SessionProvider.
*
* @ingroup Session
* @since 1.27
*/
interface SessionProviderInterface {
/**
* Return an identifier for this session type
*
* @param Language $lang Language to use.
* @return string
*/
public function describe( Language $lang );
/**
* Return a Message for why sessions might not be being persisted.
*
* For example, "check whether you're blocking our cookies".
*
* @return Message|null
*/
public function whyNoSession();
}
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