import { HttpInterceptor, HttpRequest, HttpHandler, HttpEvent } from '@angular/common/http';
import { Observable } from 'rxjs/Observable';
import 'rxjs/add/operator/do';
import { LoadingService } from '../../loading/loading.service';
/**
 * HTTP请求访问耗时拦截器
 *
 * @export
 * @class TimingInterceptor
 * @implements {HttpInterceptor}
 */
export declare class TimingInterceptor implements HttpInterceptor {
    private loadingService;
    constructor(loadingService: LoadingService);
    intercept(req: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>>;
}