1 files changed, 5 insertions, 0 deletions
diff --git a/modules/locale/locale.api.php b/modules/locale/locale.api.php
index 6f6504f4b..90f6132dd 100644
--- a/modules/locale/locale.api.php
+++ b/modules/locale/locale.api.php
@@ -57,6 +57,8 @@ function hook_language_switch_links_alter(array &$links, $type, $path) {
  *   the following key-value pairs:
  *   - "name": The human-readable language type identifier.
  *   - "description": A description of the language type.
+ *   - "fixed": An array of language provider identifiers. Defining this key
+ *     makes the language type non-configurable.
  */
 function hook_language_types_info() {
   return array(
@@ -64,6 +66,9 @@ function hook_language_types_info() {
       'name' => t('Custom language'),
       'description' => t('A custom language type.'),
     ),
+    'fixed_custom_language_type' => array(
+      'fixed' => array('custom_language_provider'),
+    ),
   );
 }