import { HttpClient } from '@angular/common/http';
import { Observable } from 'rxjs';
import { PytApisConfig } from "./pyt-apis.module";
import * as i0 from "@angular/core";
export interface Freund {
    freundId: number;
    anwenderId: string;
    benutzername: string;
    mail: string;
    vorname: string;
    nachname: string;
    freundschaftsstatus: string;
}
export declare class UsersService {
    private http;
    private config;
    constructor(http: HttpClient, config: PytApisConfig);
    getFreunde(): Observable<Freund[]>;
    inviteFriend(tripNumber: number, freund: Freund): Observable<string[]>;
    disinviteMember(tripNumber: number, freund: Freund): Observable<string[]>;
    static ɵfac: i0.ɵɵFactoryDeclaration<UsersService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<UsersService>;
}