import { Http } from '@angular/http';
import { Observable } from 'rxjs/Rx';
import { Authentication, User } from 'stms-shared-models';
import { ModelBaseService } from "../model-base.service";
import 'rxjs/add/operator/toPromise';
export declare class AuthenticationModelService extends ModelBaseService<Authentication> {
    user$: Observable<User>;
    session$: Observable<string>;
    private _isLoggedIn;
    readonly isLoggedIn: boolean;
    private currentUserSource;
    private currentSessionSource;
    constructor(http: Http);
    clearSession(): void;
    recoverSession(sessionId: string): Observable<boolean>;
    signIn(username: string, password: string): Observable<Authentication | {}>;
    signOut(): void;
    private handleSignIn(data);
}