/**
 * @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
 */
export declare class NzMeasureScrollbarService {
    private document;
    private _scrollbarWidth;
    private scrollbarMeasure;
    readonly scrollBarWidth: number;
    initScrollBarWidth(): void;
    constructor(document: any);
}