@CheckReturnValue
    @NonNull
    @SchedulerSupport(SchedulerSupport.NONE)
    public final <R> Maybe<R> lift(final MaybeOperator<? extends R, ? super T> lift) {
        ObjectHelper.requireNonNull(lift, "lift is null");
        return RxJavaPlugins.onAssembly(new MaybeLift<T, R>(this, lift));
    }