import { ConfigurationService } from '../configuration/configuration.service';
import { HttpClient } from '@angular/common/http';
import { UserResource } from "../resources/interface/user-resource";
import { Credentials } from "./models/credentials";
import { Observable } from 'rxjs';
import { AuthenticationMethodService } from "./services/authentication-method.service";
import * as i0 from "@angular/core";
export declare class ProxyAuthenticationService extends AuthenticationMethodService {
    private _config;
    private _http;
    private _proxyAuthMethod;
    constructor(_config: ConfigurationService, _http: HttpClient);
    login(credentials: Credentials): Observable<UserResource>;
    logout(): Observable<object>;
    static ɵfac: i0.ɵɵFactoryDeclaration<ProxyAuthenticationService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<ProxyAuthenticationService>;
}