return null;
HashSet actionSet = new HashSet();  for (int i = 0; i < list1.length; ++i) actionSet.add(list1[i]);  for (int i = 0; i < list2.length; ++i) actionSet.add(list2[i]);  ArrayList list = new ArrayList(actionSet); return (Action[]) list.toArray(new Action[actionSet.size()]);
  public static final Action[] augmentList(Action[] list1, Action[] list2)  {		return null; // TODO  }