import { Injector } from '@angular/core';
import { HttpInterceptor, HttpHandler, HttpRequest, HttpEvent } from '@angular/common/http';
import { Observable } from 'rxjs/Observable';
import { MessageService } from '../message';
export declare class ErrorInterceptor implements HttpInterceptor {
    private messageService;
    private injector;
    private httpError;
    constructor(messageService: MessageService, injector: Injector);
    intercept(req: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>>;
    private handleError(httpError, req);
    private handleCaughtError();
    private handleUncaughtError();
}