@CheckReturnValue
    @SchedulerSupport(SchedulerSupport.NONE)
    public static <T, D> Maybe<T> using(Callable<? extends D> resourceSupplier,
            Function<? super D, ? extends MaybeSource<? extends T>> sourceSupplier,
                    Consumer<? super D> resourceDisposer) {
        return using(resourceSupplier, sourceSupplier, resourceDisposer, true);
    }