<?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;
 
 use Symfony\Component\Translation\Exception\InvalidArgumentException;
 
 /**
  * TranslatorBagInterface.
  *
  * @author Abdellatif Ait boudad <a.aitboudad@gmail.com>
  */
 interface TranslatorBagInterface
 {
     /**
      * Gets the catalogue by locale.
      *
      * @param string|null $locale The locale or null to use the default
      *
      * @return MessageCatalogueInterface
      *
      * @throws InvalidArgumentException If the locale contains invalid characters
      */
     public function getCatalogue($locale = null);
 }