class MediaController2 implements AutoCloseable {

    public void sendCustomCommand(@NonNull SessionCommand2 command, @Nullable Bundle args,
            @Nullable ResultReceiver cb) {
        mImpl.sendCustomCommand(command, args, cb);
    }

    public  MediaController2(@NonNull Context context, @NonNull SessionToken2 token,
            @NonNull Executor executor, @NonNull ControllerCallback callback);

}