import { Http, Headers, Response, RequestOptions } from '@angular/http';
import { Observable } from 'rxjs/Observable';
import { ErrorObservable } from 'rxjs/observable/ErrorObservable';
export declare class UserService {
    http: Http;
    headers: Headers;
    options: RequestOptions;
    constructor(http: Http);
    updateProfile(item: any): Observable<any>;
    extractData(res: Response): any;
    handleError(error: any): ErrorObservable;
}