class IntegerList implements SortedSet<Integer>, List<Integer> {

	@Override
	public void clear() {
		this.values = null;
		this.size = 0;
	}

	public  IntegerList();
	public  IntegerList(int value);
	public  IntegerList(int start, int end);
	public  IntegerList(Collection<? extends Integer> collection);

}