LOG.debug("not in front; bringing to front");
  public void bringToFront(String propertyName) {    ListIterator iter = $chain.listIterator();    while (iter.hasNext()) {      Entry cce = (Entry)iter.next();      if (cce.getPropertyName().equals(propertyName)) {        if (iter.previousIndex() == 0) {          cce.toggleAscending();        }        else {          iter.remove();          $chain.add(0, cce);        }        return;      }    }  }