Function gio_sys::g_dbus_object_manager_client_new_for_bus

pub unsafe extern fn g_dbus_object_manager_client_new_for_bus(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,
                                                              callback: GAsyncReadyCallback,
                                                              user_data: gpointer)