Function gio_sys::g_dbus_connection_send_message_with_reply

pub unsafe extern fn g_dbus_connection_send_message_with_reply(connection: *mut GDBusConnection,
                                                               message: *mut GDBusMessage,
                                                               flags: GDBusSendMessageFlags,
                                                               timeout_msec: c_int,
                                                               out_serial: *mut Volatile<u32>,
                                                               cancellable: *mut GCancellable,
                                                               callback: GAsyncReadyCallback,
                                                               user_data: gpointer)