/** Behavior class for user database operations */
    @Resource
    protected UserBhv userBhv;

    /**
     * Default constructor for GroupService.
     */
    public GroupService() {
        // Default constructor
    }

    /**
     * Retrieves a paginated list of groups based on the provided pager criteria.
     * Updates the pager with pagination information including page numbers and ranges.
     *

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

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

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

    //                                                                           =========

    /** Service for managing group configurations */
    @Resource
    private GroupService groupService;

    // GET /api/admin/group
    // PUT /api/admin/group
    /**
     * Returns list of group settings.
     * Supports both GET and PUT requests for retrieving paginated group configurations.
     *

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

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