public class FancyTreeImp implements Tree, FancyTree {
	//Data
	private Tree elements;
	
	//Constructors
	public FancyTreeImp(Tree arg) { elements = arg; }
	
	//Tree methods implementation
	public void add(Object element){ throw new UnsupportedOperationException(); }
	public Object remove(Object element){ throw new UnsupportedOperationException(); }
    public boolean contains(Object element){ throw new UnsupportedOperationException(); }
    public boolean isEmpty(){ throw new UnsupportedOperationException(); }
    public int size(){ throw new UnsupportedOperationException(); }
    public int height(){ throw new UnsupportedOperationException(); }
	public int numberOfLiefs(){ throw new UnsupportedOperationException(); }
    public void clear(){ throw new UnsupportedOperationException(); }       
    public java.util.Iterator iterator(){ throw new UnsupportedOperationException(); }
    public java.util.Iterator treeInorderIterator(){ throw new UnsupportedOperationException(); }
	public java.util.Iterator treePreorderIterator(){ throw new UnsupportedOperationException(); }
	public java.util.Iterator treePostorderIterator(){ throw new UnsupportedOperationException(); }
  	public java.util.Iterator treeBreadthFirstIterator(){ throw new UnsupportedOperationException(); }	
    public Object clone(){ throw new UnsupportedOperationException(); }
    public String toString(){ throw new UnsupportedOperationException(); }
    
	//FancyTree methods implementation
	public boolean sameElements(FancyTree arg){ throw new UnsupportedOperationException(); }
	public boolean sameStructure(FancyTree arg){ throw new UnsupportedOperationException(); }
	public boolean sameTrees(FancyTree arg) { throw new UnsupportedOperationException(); }
	public boolean sameHeight(FancyTree arg) { throw new UnsupportedOperationException(); }
	public boolean sameNumberOfLiefs(FancyTree arg) { throw new UnsupportedOperationException(); }
	public boolean containsAll(FancyTree arg) { throw new UnsupportedOperationException(); }
	public boolean addAll(FancyTree arg) { throw new UnsupportedOperationException(); }
	public boolean removeAll(FancyTree arg) { throw new UnsupportedOperationException(); }
	public boolean retainAll(FancyTree arg) { throw new UnsupportedOperationException(); }
}