import { PipeTransform } from '@angular/core';
import { Observable } from 'rxjs';
import { AsyncCache } from './async-cache.provider';
import { AsyncCacheOptionsInterface } from './async-cache-options.provider';
export declare class AsyncCachePipe implements PipeTransform {
    private asyncCache;
    constructor(asyncCache: AsyncCache);
    transform(value: Observable<any>, cacheKey: string, options?: AsyncCacheOptionsInterface): Observable<any>;
}