//                                                                           =========
    /** Service for group operations. */
    @Resource
    private GroupService groupService;

    /** Pager for group list pagination. */
    @Resource
    private GroupPager groupPager;

    // ===================================================================================

    @Resource
    private UserService userService;
    @Resource
    private RoleService roleService;
    @Resource
    private GroupService groupService;
    @Resource
    private UserPager userPager;

    // ===================================================================================