import { HttpEvent, HttpInterceptor, HttpHandler, HttpRequest, HttpXsrfTokenExtractor } from '@angular/common/http';
import { Observable } from 'rxjs/Observable';
export declare class ApiXsrfInterceptor implements HttpInterceptor {
    private tokenExtractor;
    private cfg;
    constructor(tokenExtractor: HttpXsrfTokenExtractor);
    intercept(httpRequest: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>>;
}