diff --git a/src/Symfony/Component/Translation/Writer/TranslationWriterInterface.php b/src/Symfony/Component/Translation/Writer/TranslationWriterInterface.php
index 992ab769a0d5..33b6a71b2d40 100644
--- a/src/Symfony/Component/Translation/Writer/TranslationWriterInterface.php
+++ b/src/Symfony/Component/Translation/Writer/TranslationWriterInterface.php
@@ -31,4 +31,16 @@ interface TranslationWriterInterface
      * @throws InvalidArgumentException
      */
     public function write(MessageCatalogue $catalogue, $format, $options = array());
+
+    /**
+     * Disables dumper backup.
+     */
+    public function disableBackup();
+
+    /**
+     * Obtains the list of supported formats.
+     *
+     * @return array
+     */
+    public function getFormats();
 }