import { HttpEvent, HttpHandler, HttpInterceptor, HttpRequest } from '@angular/common/http';
import { Router } from '@angular/router';
import { Observable } from 'rxjs';
import * as i0 from "@angular/core";
/**
 * PWA offline interceptor.
 * Redirects to a dedicated view when the app goes offline.
 */
export declare class AppPwaOfflineInterceptor implements HttpInterceptor {
    private readonly navigator;
    private readonly router;
    constructor(navigator: Navigator, router: Router);
    intercept(req: HttpRequest<unknown>, next: HttpHandler): Observable<HttpEvent<unknown>>;
    static ɵfac: i0.ɵɵFactoryDeclaration<AppPwaOfflineInterceptor, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<AppPwaOfflineInterceptor>;
}