 } else if (silkyResultStatus &&
            (silkyResultStatus.toString() === "401" || silkyResultStatus.toString() === "4011"
                || silkyResultStatus.toString() === "UnAuthentication" || silkyResultStatus.toString() === "IssueTokenError")) {
            window.localStorage.removeItem(tokenKey);
            ui.authActions.logout(["Bearer"]);
        }

        return response;
    }

    // default request interceptor
    function defaultRequestInterceptor(request) {
        var url = request.