public static <C extends Comparable<?>> TreeRangeSet<C> create() {
    return new TreeRangeSet<C>(new TreeMap<Cut<C>, Range<C>>());
  }
public static <C extends Comparable<?>> TreeRangeSet<C> create() {
    return new TreeRangeSet<C>(new TreeMap<Cut<C>, Range<C>>());
  }
public static < C extends Comparable < ? > > TreeRangeSet < C > create ( ) { return new TreeRangeSet < C > ( new TreeMap < Cut < C > , Range < C > > ( ) ) ; }
Creates an empty {@code TreeRangeSet} instance.
Creates an empty {