@SuppressWarnings("unchecked")
  static <C extends Comparable> Cut<C> belowAll() {
    return (Cut<C>) BelowAll.INSTANCE;
  }

  @GwtIncompatible @J2ktIncompatible private static final long serialVersionUID = 0;

  private static final class BelowAll extends Cut<Comparable<?>> {
    private static final BelowAll INSTANCE = new BelowAll();

    private BelowAll() {
      /*

            }
          } else if (complementLowerBoundWindow.lowerBound.isLessThan(Cut.belowAll())) {
            Range<C> negativeRange = Range.create(Cut.belowAll(), nextComplementRangeUpperBound);
            nextComplementRangeUpperBound = Cut.belowAll();
            return immutableEntry(Cut.belowAll(), negativeRange);
          }
          return endOfData();
        }
      };
    }

    }

    @Override
    public Range<C> get(int index) {
      checkElementIndex(index, size);

      Cut<C> lowerBound;
      if (positiveBoundedBelow) {
        lowerBound = (index == 0) ? Cut.belowAll() : ranges.get(index - 1).upperBound;
      } else {
        lowerBound = ranges.get(index).upperBound;
      }

      Cut<C> upperBound;
      if (positiveBoundedAbove && index == size - 1) {