pub unsafe extern "C" fn g_dbus_object_manager_client_new_sync(
connection: *mut GDBusConnection,
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