import { Injector } from '@angular/core';
import { HttpInterceptor, HttpEvent, HttpHandler, HttpRequest } from '@angular/common/http';
import { Observable } from 'rxjs';
export declare class HttpErrorInterceptor implements HttpInterceptor {
    private snackBar;
    private config;
    constructor(injector: Injector);
    intercept(request: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>>;
    private handleRetry;
    private handleError;
    private showError;
}