protected Class<? extends Group> typeOfSelectedEntity() {
        return Group.class;
    }

    @Override
    protected Class<Group> typeOfHandlingEntity() {
        return Group.class;
    }

    @Override
    protected Class<GroupCB> typeOfHandlingConditionBean() {
        return GroupCB.class;
    }

    public ListResultBean<Group> selectList(CBCall<GroupCB> cbLambda) {