public Container getFocusCycleRootAncestor() {  throw new Error("not implemented");
public Container getFocusCycleRootAncestor () { if (this instanceof Window && ((Container) this).isFocusCycleRoot ()) return (Container) this;  Container parent = getParent ();  while (parent != null && !parent.isFocusCycleRoot ()) parent = parent.getParent ();  return parent;
	public Container getFocusCycleRootAncestor() {		// XXX Implement.		throw new Error("not implemented");	}