public ITableModel createTableModel(IComponent component) {
public ITableModel createTableModel(IComponent component, Integer groupId) { setGroupId(groupId);
    public ITableModel createTableModel(IComponent component) {        OrderByTableColumn[] columns = new OrderByTableColumn[] {            new OrderByTableColumn(USER_NAME_PROPERTY, USER_NAME_PROPERTY, USER_NAME_PROPERTY),            new OrderByTableColumn(FIRST_NAME_PROPERTY, FIRST_NAME_PROPERTY, FIRST_NAME_PROPERTY),            new OrderByTableColumn(LAST_NAME_PROPERTY, LAST_NAME_PROPERTY, LAST_NAME_PROPERTY),            new OrderByTableColumn("aliases", "aliasesString")        };        return createTableModel(component, columns);    }