import { ElementRef } from '@angular/core';
import { Observable } from 'rxjs';
import * as i0 from "@angular/core";
export declare class WindowService {
    private resizeTime;
    private scrollTime;
    private isBrowser;
    private scrollEvent$;
    private resizeEvent$;
    constructor(platformId: any, resizeTime: number, scrollTime: number);
    getScrollEventForContainer(scrollContainer: ElementRef): Observable<unknown>;
    get scrollEvent(): Observable<Event>;
    get resizeEvent(): Observable<Event>;
    get scrollTop(): number;
    get viewportHeight(): number;
    getElementHeight(el: ElementRef): any;
    getElementOffsetTop(el: ElementRef): any;
    getElementScrollTop(el: ElementRef): any;
    static ɵfac: i0.ɵɵFactoryDeclaration<WindowService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<WindowService>;
}