public Change[] clear(){
  Change[] result=(Change[])fChanges.toArray(new Change[fChanges.size()]);
  fChanges.clear();
  return result;
}

public Change [ ] clear ( ) { Change [ ] result = ( Change [ ] ) fChanges . toArray ( new Change [ fChanges . size ( ) ] ) ; fChanges . clear ( ) ; return result ; }
removes all changes from this composite change .
