--- /dev/null
+<?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\Loader;
+
+use Symfony\Component\Translation\MessageCatalogue;
+use Symfony\Component\Translation\Exception\InvalidResourceException;
+use Symfony\Component\Translation\Exception\NotFoundResourceException;
+
+/**
+ * LoaderInterface is the interface implemented by all translation loaders.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+interface LoaderInterface
+{
+ /**
+ * Loads a locale.
+ *
+ * @param mixed $resource A resource
+ * @param string $locale A locale
+ * @param string $domain The domain
+ *
+ * @return MessageCatalogue A MessageCatalogue instance
+ *
+ * @throws NotFoundResourceException when the resource cannot be found
+ * @throws InvalidResourceException when the resource cannot be loaded
+ */
+ public function load($resource, $locale, $domain = 'messages');
+}