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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 Symfony\Component\Translation;
/**
* MetadataAwareInterface.
*
* @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.
*
* @param string $key The key
* @param string $domain The domain name
*
* @return mixed The value that was set or an array with the domains/keys or null
*/
public function getMetadata($key = '', $domain = 'messages');
/**
* Adds metadata to a message domain.
*
* @param string $key The key
* @param mixed $value The value
* @param string $domain The domain name
*/
public function setMetadata($key, $value, $domain = 'messages');
/**
* 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.
*
* @param string $key The key
* @param string $domain The domain name
*/
public function deleteMetadata($key = '', $domain = 'messages');
}