import { HttpEvent, HttpInterceptor, HttpHandler, HttpRequest } from '@angular/common/http';
import 'rxjs/add/operator/retry';
import 'rxjs/add/operator/do';
import { Observable } from 'rxjs/Rx';
import { HttpCacheService } from '../../services/http-cache-service/http-cache.service';
export declare class CacheInterceptor implements HttpInterceptor {
    private cacheService;
    constructor(cacheService: HttpCacheService);
    checkCachingPermissions(req: HttpRequest<any>): boolean;
    intercept(req: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>>;
}