public synchronized boolean addEdit(UndoableEdit value0) { return false; }
public synchronized boolean addEdit(UndoableEdit edit) { boolean result;   trimEdits(indexOfNextAdd, edits.size() - 1);  result = super.addEdit(edit); indexOfNextAdd = edits.size(); trimForLimit(); return result; }
	public synchronized boolean addEdit(UndoableEdit value0) {		return false; // TODO	} // addEdit()