import { HttpEvent, HttpHandler, HttpInterceptor, HttpInterceptorFn, HttpRequest } from '@angular/common/http';
import { Observable } from 'rxjs';
import * as i0 from "@angular/core";
export declare class AuthInterceptor implements HttpInterceptor {
    private readonly authStateService;
    private readonly configurationService;
    private readonly loggerService;
    private readonly closestMatchingRouteService;
    intercept(req: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>>;
    static ɵfac: i0.ɵɵFactoryDeclaration<AuthInterceptor, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<AuthInterceptor>;
}
export declare function authInterceptor(): HttpInterceptorFn;