@Test
public void testItems() {

    TsVariableList list=new TsVariableList();
    TsVariableSelection<ICalendarVariable> sel = list.select(ICalendarVariable.class);
    TsVariableSelection.Item<ICalendarVariable>[] elements = sel.elements();
   // TsVariableSelection.Item<ITsVariable>[] elements2 = sel.elements();
}