| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687 | <?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 Symfony\Component\HttpKernel\HttpCache;use Symfony\Component\HttpFoundation\Request;use Symfony\Component\HttpFoundation\Response;interface SurrogateInterface{    /**     * Returns surrogate name.     *     * @return string     */    public function getName();    /**     * Returns a new cache strategy instance.     *     * @return ResponseCacheStrategyInterface     */    public function createCacheStrategy();    /**     * Checks that at least one surrogate has Surrogate capability.     *     * @return bool     */    public function hasSurrogateCapability(Request $request);    /**     * Adds Surrogate-capability to the given Request.     */    public function addSurrogateCapability(Request $request);    /**     * Adds HTTP headers to specify that the Response needs to be parsed for Surrogate.     *     * This method only adds an Surrogate HTTP header if the Response has some Surrogate tags.     */    public function addSurrogateControl(Response $response);    /**     * Checks that the Response needs to be parsed for Surrogate tags.     *     * @return bool     */    public function needsParsing(Response $response);    /**     * Renders a Surrogate tag.     *     * @param string|null $alt     An alternate URI     * @param string      $comment A comment to add as an esi:include tag     *     * @return string     */    public function renderIncludeTag(string $uri, string $alt = null, bool $ignoreErrors = true, string $comment = '');    /**     * Replaces a Response Surrogate tags with the included resource content.     *     * @return Response     */    public function process(Request $request, Response $response);    /**     * Handles a Surrogate from the cache.     *     * @param string $alt An alternative URI     *     * @return string     *     * @throws \RuntimeException     * @throws \Exception     */    public function handle(HttpCache $cache, string $uri, string $alt, bool $ignoreErrors);}
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