import { HttpInterceptor, HttpRequest, HttpHandler, HttpEvent } from '@angular/common/http';
import { Observable } from 'rxjs';
import { AuthService } from './auth.service';
export declare class TokenInterceptor implements HttpInterceptor {
    private auth;
    constructor(auth: AuthService);
    intercept(req: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>>;
    private addToken;
}