+ /**
+ * Return autonyms in fetchLanguageName(s).
+ * @since 1.32
+ */
+ const AS_AUTONYMS = null;
+
+ /**
+ * Return all known languages in fetchLanguageName(s).
+ * @since 1.32
+ */
+ const ALL = 'all';
+
+ /**
+ * Return in fetchLanguageName(s) only the languages for which we have at
+ * least some localisation.
+ * @since 1.32
+ */
+ const SUPPORTED = 'mwfile';
+