import { Injector } from '@angular/core';
import { FarrisDesignBaseComponent } from '@farris/designer-element';
import { ControlContextMenuItem } from '../../../../../entity/control-context-menu';
export declare class ScrollSpyService {
    private injector;
    private domService;
    private cmpInstance;
    private controlService;
    constructor(injector: Injector, cmpInstance: FarrisDesignBaseComponent);
    assembleScrollSpyMenu(menuConfig: ControlContextMenuItem[]): ControlContextMenuItem[];
    enableScrollSpy(): void;
    /**
     * 分组面板节点，启用监听属性；并记录到滚动监听控件上。
     */
    private enableSectionScroll;
    /**
     * 获取监听步骤的标题
     */
    private getScrollItemTitle;
}