}

    @Override
    @Nullable C leastValueAbove(DiscreteDomain<C> domain) {
      return domain.next(endpoint);
    }

    @Override
    C greatestValueBelow(DiscreteDomain<C> domain) {
      return endpoint;
    }

    @Override
    Cut<C> canonical(DiscreteDomain<C> domain) {
      C next = leastValueAbove(domain);
      return (next != null) ? belowValue(next) : Cut.aboveAll();

    return false;
  }

  @Override
  public C first() {
    // requireNonNull is safe because we checked the range is not empty in ContiguousSet.create.
    return requireNonNull(range.lowerBound.leastValueAbove(domain));
  }

  @Override
  public C last() {
    // requireNonNull is safe because we checked the range is not empty in ContiguousSet.create.