/**
 * @license
 * Copyright Alibaba.com All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
 */
import { AfterViewInit, ElementRef, Renderer2, TemplateRef } from '@angular/core';
export declare function MenuGroupFactory(isMenuInsideDropDownToken: boolean): boolean;
export declare class NzMenuGroupComponent implements AfterViewInit {
    elementRef: ElementRef;
    private renderer;
    isMenuInsideDropDown: boolean;
    nzTitle?: string | TemplateRef<void>;
    titleElement?: ElementRef;
    constructor(elementRef: ElementRef, renderer: Renderer2, isMenuInsideDropDown: boolean);
    ngAfterViewInit(): void;
}