@Override
    public LongStream stream() {
      return IntStream.range(0, myRanges.length / 2)
        .mapToObj(idx -> LongStream.rangeClosed(myRanges[idx * 2], myRanges[idx * 2 + 1]))
        .reduce(LongStream::concat).orElseGet(LongStream::empty);
    }
@Override
    public LongStream stream()