ng-lazyload-image-angular-universal/lib/scroll-preset/scroll-listener.d.ts

This is an extension from ng-lazyload-image, made available for Angular Universal.

import { Observable } from 'rxjs';
export declare function sampleObservable(obs: Observable<any>, scheduler?: any): Observable<any>;
export declare const getScrollListener: (scrollTarget: any) => Observable<String | Event>;