public void getUnitTree(StringBuffer buffer, IUnit parentUnit) {
public void getUnitTree(StringBuffer buffer, IUnit parentUnit, List<IUnit> subUnits, Date currentDate, boolean active) {
    public void getUnitTree(StringBuffer buffer, IUnit parentUnit) {        buffer.append("<ul>");        getUnitsList(parentUnit, 0, buffer);        buffer.append("</ul>");    }