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<?php
/*
* This file is part of php-cache organization.
*
* (c) 2015 Aaron Scherer <aequasi@gmail.com>, Tobias Nyholm <tobias.nyholm@gmail.com>
*
* This source file is subject to the MIT license that is bundled
* with this source code in the file LICENSE.
*/
namespace Cache\Adapter\Common;
/**
* @author Aaron Scherer <aequasi@gmail.com>
* @author Tobias Nyholm <tobias.nyholm@gmail.com>
*/
interface HasExpirationTimestampInterface
{
/**
* The timestamp when the object expires.
*
* @return int|null
*/
public function getExpirationTimestamp();
}