import { InjectionToken } from '@angular/core';
import { HttpInterceptor, HttpRequest, HttpHandler, HttpEvent } from '@angular/common/http';
import { Observable } from 'rxjs/Observable';
import { NotificationsService } from '../../notifications/notifications.service';
import { TranslateService } from '../../translate/translate.service';
export declare const DEFAULT_TIMEOUT: InjectionToken<number | Date>;
/**
 * HTTP请求超时
 *
 * @export
 * @class HttpTimeoutInterceptor
 * @implements {HttpInterceptor}
 */
export declare class HttpTimeoutInterceptor implements HttpInterceptor {
    protected defaultTimeout: number | Date;
    private notifications;
    private translate;
    constructor(defaultTimeout: number | Date, notifications: NotificationsService, translate: TranslateService);
    intercept(req: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>>;
}