- /**
- * Indicates with JSON body the request was invalid.
- *
- * @param int $code HTTP status code number
- * @param int $description descriptive error message
- *
- * @return string error message in pretty-printed JSON format
- * @deprecated 2.1.0 Will be renamed to camelCase format.
- *
- */
- private static function jsonError($code, $description)