* Register roles and labels.
     * @param data The render data.
     */
    protected void registerRolesAndLabels(final RenderData data) {
        RenderDataUtil.register(data, "roleTypeItems", roleTypeService.getRoleTypeList());
    }

    /**
     * Register handler names.
     * @param data The render data.
     */
    protected void registerHandlerNames(final RenderData data) {

            searchPaging(data, form);
        });
    }

    /**
     * Set up pagination data for search results.
     *
     * @param data the render data to populate
     * @param form the search form containing pagination parameters
     */
    protected void searchPaging(final RenderData data, final SearchForm form) {
        // page navi

            final String queryId = data.getQueryId();
            final String highlightParams = data.getAppendHighlightParams();
            final boolean nextPage = data.isExistNextPage();
            final boolean prevPage = data.isExistPrevPage();
            final long startRecordNumber = data.getCurrentStartRecordNumber();
            final long endRecordNumber = data.getCurrentEndRecordNumber();

    var id = lastId
    var type: String? = null
    val data = Buffer()

    while (true) {
      when (source.select(options)) {
        in 0..2 -> {
          completeEvent(id, type, data)
          return true
        }

        in 3..4 -> {
          source.readData(data)
        }

        in 5..7 -> {
          data.writeByte('\n'.code) // 'data' on a line of its own.
        }

        in 8..9 -> {

        userPager.clear();
        return asHtml(path_AdminUser_AdminUserJsp).renderWith(data -> {
            searchPaging(data, form);
        });
    }

    /**
     * Registers pagination and user list data for rendering the user search results.
     *
     * @param data the render data container to populate
     * @param form the search form containing pagination parameters
     */

        Map<String, Object> data = new HashMap<>();
        data.put("key1", "value1");
        callback.store(params, data);

        assertEquals(1L, callback.getDocumentSize());
        assertEquals(100L, callback.getExecuteTime());

        // Test multiple stores
        callback.store(params, data);
        callback.store(params, data);

        assertEquals(3L, callback.getDocumentSize());

        /**
         * Registers all search-related data for rendering in the web interface.
         *
         * @param data the render data to populate
         */
        public void register(final RenderData data) {
            RenderDataUtil.register(data, "queryId", queryId);
            RenderDataUtil.register(data, "documentItems", documentItems);
            RenderDataUtil.register(data, "facetResponse", facetResponse);

            RenderDataUtil.register(data, "queryId", queryId);
            RenderDataUtil.register(data, "documentItems", documentItems);
            RenderDataUtil.register(data, "facetResponse", facetResponse);
            RenderDataUtil.register(data, "appendHighlightParams", appendHighlightParams);
            RenderDataUtil.register(data, "execTime", execTime);
            RenderDataUtil.register(data, "pageSize", pageSize);

            searchPaging(data, form);
        });
    }

    /**
     * Search with paging.
     * @param data The render data.
     * @param form The search form.
     */
    protected void searchPaging(final RenderData data, final SearchForm form) {

            searchPaging(data, form);
        });
    }

    /**
     * Sets up data for search result pagination.
     *
     * @param data the render data
     * @param form the search form
     */
    protected void searchPaging(final RenderData data, final SearchForm form) {