Index: src/wp-includes/l10n.php
===================================================================
--- src/wp-includes/l10n.php	(revision 44829)
+++ src/wp-includes/l10n.php	(working copy)
@@ -1232,12 +1232,15 @@
  * won't suffer from that problem.
  *
  * @since 2.8.0
+ * @since 5.2.0 Added the `$domain` parameter.
  *
- * @param string $name The role name.
+ * @param string $name   The role name.
+ * @param string $domain Optional. Text domain. Unique identifier for retrieving translated strings.
+ *                       Default 'default'.
  * @return string Translated role name on success, original name on failure.
  */
-function translate_user_role( $name ) {
-	return translate_with_gettext_context( before_last_bar( $name ), 'User role' );
+function translate_user_role( $name, $domain = 'default' ) {
+	return translate_with_gettext_context( before_last_bar( $name ), 'User role', $domain );
 }
 
 /**