import { HttpEvent, HttpInterceptor, HttpHandler, HttpRequest } from '@angular/common/http';
import { Observable } from 'rxjs';
import { HttpObserverService } from './http-observer.service';
export declare class HttpObserverInterceptor implements HttpInterceptor {
    private httpObserverService;
    constructor(httpObserverService: HttpObserverService);
    intercept(req: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>>;
}