import { HttpEvent, HttpHandler, HttpInterceptor, HttpRequest } from '@angular/common/http';
import { Observable } from 'rxjs';
import { NucleusIdentityService } from './NucleusIdentityService';
import { NucleusIdentityConfig } from './NucleusIdentityConfig';
export declare class NucleusTokenInterceptor implements HttpInterceptor {
    private auth;
    private config;
    constructor(auth: NucleusIdentityService, config: NucleusIdentityConfig);
    intercept(req: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>>;
    private shouldIntercept;
    private authorizeRequest;
    private checkUnauthorized;
}