import { HttpEvent, HttpHandler, HttpInterceptor, HttpRequest } from '@angular/common/http';
import { Observable } from "rxjs";
import { SnackbarService } from "../_services/snackbar.service";
import * as i0 from "@angular/core";
export declare class ConnectionErrorInterceptor implements HttpInterceptor {
    private snackbarService;
    constructor(snackbarService: SnackbarService);
    intercept(req: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>>;
    static ɵfac: i0.ɵɵFactoryDeclaration<ConnectionErrorInterceptor, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<ConnectionErrorInterceptor>;
}