<?php

/*

 * This file is part of the Symfony package.

 *

 * (c) Fabien Potencier <fabien@symfony.com>

 *

 * This code is partially based on the Rack-Cache library by Ryan Tomayko,

 * which is released under the MIT license.

 * (based on commit 02d2b48d75bcb63cf1c0c7149c077ad256542801)

 *

 * For the full copyright and license information, please view the LICENSE

 * file that was distributed with this source code.

 */

namespace Symfony\Component\HttpKernel\HttpCache;

use Symfony\Component\HttpFoundation\Response;

/**

 * EsiResponseCacheStrategyInterface implementations know how to compute the

 * Response cache HTTP header based on the different ESI response cache headers.

 *

 * @author Fabien Potencier <fabien@symfony.com>

 */

interface EsiResponseCacheStrategyInterface

{

    /**

     * Adds a Response.

     *

     * @param Response $response

     */

    function add(Response $response);

    /**

     * Updates the Response HTTP headers based on the embedded Responses.

     *

     * @param Response $response

     */

    function update(Response $response);

}