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<?php
/*
* This file is part of the Sonata Project package.
*
* (c) Thomas Rabaix <thomas.rabaix@sonata-project.org>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Sonata\Cache;
interface CacheElementInterface
{
/**
* Returns the keys.
*
* @return array
*/
public function getKeys(): array;
/**
* Returns the time to live.
*
* @return int
*/
public function getTtl(): int;
/**
* Returns the data.
*
* @return mixed
*/
public function getData();
/**
* Returns TRUE whether the cache is expired.
*
* @return bool
*/
public function isExpired(): bool;
/**
* @return \DateTime
*/
public function getExpirationDate(): \DateTimeInterface;
/**
* Returns the contextual keys.
*
* @return array
*/
public function getContextualKeys(): array;
}
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