import { HttpClient, HttpEvent, HttpHandlerFn, HttpRequest } from '@angular/common/http';
import { Router } from '@angular/router';
import { Observable } from 'rxjs';
import type { NAuthClientConfig } from '@nauth-toolkit/client';
import { AuthService } from '../ngmodule/auth.service';
export declare function createNAuthAuthHttpInterceptor(params: {
    config: NAuthClientConfig;
    http: HttpClient;
    authService: AuthService;
    router: Router;
    next: HttpHandlerFn;
    req: HttpRequest<unknown>;
}): Observable<HttpEvent<unknown>>;