import { Group } from '../../../shared/models/group';
import { HttpClient } from '@angular/common/http';
import { SessionService } from '../session/session.service';
import { Observable } from 'rxjs';
export declare class GroupService {
    private http;
    private sessionService;
    loadedGroups: Group[];
    constructor(http: HttpClient, sessionService: SessionService);
    getAuthorizedGroups(): Group[];
    observeAuthorizedGroups(): Observable<Group[]>;
    loadAuthorizedGroups(): void;
}