import { HttpRequest, HttpResponse } from '@angular/common/http';
import { Subject } from 'rxjs/Subject';
export declare abstract class HttpCache {
    abstract get(req: HttpRequest<any>): HttpResponse<any> | null;
    abstract put(req: HttpRequest<any>, resp: HttpResponse<any>): void;
}
export declare class HttpCacheService implements HttpCache {
    cache: {};
    reqUrls: any[];
    onTemplateAdd: Subject<string>;
    checkIfUrlExists(reqUrl: string): boolean;
    get(req: HttpRequest<any>): HttpResponse<any> | null;
    put(req: HttpRequest<any>, resp: HttpResponse<any>): void;
}