code: @Override
      public boolean addAll(int index, java.util.Collection c) {
  	return list.addAll(index, c);
      }
docs: /*---@Override
  public void add(int index, Object element) {
  list.add(index, element);
  }
  
  @Override
  public boolean addAll(java.util.Collection c) {
  return list.addAll(c);
  }