AsLIFOQueue(Deque<E> q) 
{
 this.q = q;
}

 public boolean add(E e) 
{
 q.addFirst(e); return true;
}

 public  void clear() 
{
        q.clear();
}

 public boolean contains(Object o) 
{
 return q.contains(o);
}

 public boolean containsAll(Collection<?> c) 
{
return q.containsAll(c);
}

 public E element() 
{
 return q.getFirst();
}

 public boolean isEmpty() 
{
 return q.isEmpty();
}

 public Iterator<E> iterator() 
{
 return q.iterator();
}

 public boolean offer(E e) 
{
 return q.offerFirst(e);
}

 public E peek() 
{
 return q.peekFirst();
}

 public E poll() 
{
 return q.pollFirst();
}

 public E remove() 
{
 return q.removeFirst();
}

 public boolean remove(Object o) 
{
 return q.remove(o);
}

 public boolean removeAll(Collection<?> c) 
{
return q.removeAll(c);
}

 public boolean retainAll(Collection<?> c) 
{
return q.retainAll(c);
}

 public int size() 
{
 return q.size();
}

 public Object[] toArray() 
{
 return q.toArray();
}

 public T[] toArray(T[] a) 
{
 return q.toArray(a);
}

 public String toString() 
{
 return q.toString();
}