vendor/sensio/framework-extra-bundle/Configuration/Cache.php

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<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Sensio\Bundle\FrameworkExtraBundle\Configuration;

/**
 * The Cache class handles the Cache annotation parts.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 * @Annotation
 */
class Cache extends ConfigurationAnnotation
{
    /**
     * The expiration date as a valid date for the strtotime() function.
     *
     * @var string
     */
    protected $expires;

    /**
     * The number of seconds that the response is considered fresh by a private
     * cache like a web browser.
     *
     * @var int
     */
    protected $maxage;

    /**
     * The number of seconds that the response is considered fresh by a public
     * cache like a reverse proxy cache.
     *
     * @var int
     */
    protected $smaxage;

    /**
     * Whether the response is public or not.
     *
     * @var bool
     */
    protected $public;

    /**
     * Additional "Vary:"-headers.
     *
     * @var array
     */
    protected $vary;

    /**
     * An expression to compute the Last-Modified HTTP header.