pub unsafe extern "C" fn g_dbus_object_manager_client_new_for_bus_sync(
    bus_type: GBusType,
    flags: GDBusObjectManagerClientFlags,
    name: *const c_char,
    object_path: *const c_char,
    get_proxy_type_func: GDBusProxyTypeFunc,
    get_proxy_type_user_data: gpointer,
    get_proxy_type_destroy_notify: GDestroyNotify,
    cancellable: *mut GCancellable,
    error: *mut *mut GError
) -> *mut GDBusObjectManagerClient