import { HttpClient, HttpParams } from '@angular/common/http';
import { Router } from '@angular/router';
import { Observable } from 'rxjs';
import { AuthLoader } from './auth.loader';
import * as i0 from "@angular/core";
export declare class AuthService {
    readonly loader: AuthLoader;
    protected readonly router: Router;
    protected readonly http: HttpClient;
    protected _token: string;
    private _redirectUrl;
    get token(): string;
    get redirectUrl(): string;
    set redirectUrl(value: string);
    get defaultUrl(): string;
    get isAuthenticated(): boolean;
    constructor(loader: AuthLoader, router: Router, http: HttpClient);
    authenticate(username: string, password: string): Observable<boolean>;
    invalidate(): Promise<boolean>;
    protected getHttpParams: (query?: any[]) => HttpParams;
    static ɵfac: i0.ɵɵFactoryDef<AuthService, never>;
    static ɵprov: i0.ɵɵInjectableDef<AuthService>;
}