import { NgZone } from '@angular/core';
import { Observable } from 'rxjs';
import * as i0 from "@angular/core";
/**
 * @deprecated use ScrollDispatcher instead
 * import { ScrollDispatcher } from '@angular/cdk/scrolling';
 */
export declare class WinScroll {
    private _document;
    scroll$: Observable<number>;
    constructor(_document: any, ngZone: NgZone);
    static ɵfac: i0.ɵɵFactoryDeclaration<WinScroll, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<WinScroll>;
}