name : MetadataAwareInterface.php <?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\Translation; /** * This interface is used to get, set, and delete metadata about the translation messages. * * @author Fabien Potencier <fabien@symfony.com> */ interface MetadataAwareInterface { /** * Gets metadata for the given domain and key. * * Passing an empty domain will return an array with all metadata indexed by * domain and then by key. Passing an empty key will return an array with all * metadata for the given domain. * * @return mixed The value that was set or an array with the domains/keys or null */ public function getMetadata(string $key = '', string $domain = 'messages'): mixed; /** * Adds metadata to a message domain. */ public function setMetadata(string $key, mixed $value, string $domain = 'messages'): void; /** * Deletes metadata for the given key and domain. * * Passing an empty domain will delete all metadata. Passing an empty key will * delete all metadata for the given domain. */ public function deleteMetadata(string $key = '', string $domain = 'messages'): void; }