import { InjectionToken, Injector } from '@angular/core';
import * as i0 from "@angular/core";
export declare const WindowRefToken: InjectionToken<Window>;
export declare class WindowRefService {
    private injector;
    nativeWindow: Window;
    constructor(injector: Injector);
    static ɵfac: i0.ɵɵFactoryDeclaration<WindowRefService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<WindowRefService>;
}