import { HttpEvent, HttpHandler, HttpInterceptor, HttpRequest } from '@angular/common/http';
import { Injector } from '@angular/core';
import { NecAuthService } from '../auth/auth.service';
import { Observable } from 'rxjs';
/**
 * Http Request拦截器, 用于给登录后发送的请求头自动添加Authorization字段
 */
export declare class AuthInterceptor implements HttpInterceptor {
    private injector;
    authService: NecAuthService;
    /**
     * 注入NecAuthService(异步是防止初始化报错)
     */
    constructor(injector: Injector);
    /**
     * 实现接口
     */
    intercept(req: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>>;
}