import { HttpClient, HttpEvent } from '@angular/common/http';
import { Observable } from 'rxjs';
import * as i0 from "@angular/core";
export declare class UploadService {
    private http;
    constructor(http: HttpClient);
    uploadFile(url: string, file: File): Observable<HttpEvent<any>>;
    static ɵfac: i0.ɵɵFactoryDeclaration<UploadService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<UploadService>;
}