ISTWCMS-5666: coding standards

src/Service/UWServiceInterface.php

@@ -200,6 +200,8 @@ interface UWServiceInterface {
    *
    * @param array $content_types
    *   Array of content types.
+   * @param bool $show_null_content_types
+   *   Flag to show null content type usage.
    *
    * @return array
    *   Array of content type usage.