public void removeAll(Iterable<Range<C>> ranges) {
    for (Range<C> range : ranges) {
      remove(range);
    }
  }

  @Override
  public boolean intersects(Range<C> otherRange) {
    return !subRangeSet(otherRange).isEmpty();
  }

  @Override
  public abstract boolean encloses(Range<C> otherRange);

  @Override
  public boolean equals(@CheckForNull Object obj) {
    if (obj == this) {