import { HttpClientService } from './http-client.service';
import { FileUploadOptions } from './model/upload-options.interface';
import * as i0 from "@angular/core";
export declare class UploaderService {
    private http;
    constructor(http: HttpClientService);
    private uploadFile;
    private uploadChunk;
    private uploadChunks;
    private uploadChunkFile;
    /**
     *  Send files to a server
     * @param url  - URL of server to receive the file
     * @param files - the input files
     * @param formData - the FormData object
     * @param options - the file upload options
     */
    upload(url: string, files: File[], params?: any, options?: FileUploadOptions): Promise<any[]>;
    static ɵfac: i0.ɵɵFactoryDeclaration<UploaderService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<UploaderService>;
}