/// <reference types="node" />
import { FileInfo, FTPResponse, UploadOptions } from 'basic-ftp';
import { Readable, Writable } from 'stream';
import { IFTPOptions } from './interface/options.interface';
export declare class FtpService {
    private _options;
    private readonly _ftpClient;
    private logger;
    constructor(_options: IFTPOptions);
    list(path?: string): Promise<FileInfo[]>;
    downloadTo(destination: Writable | string, fromRemotePath: string, startAt?: number): Promise<FTPResponse>;
    downloadToDir(localDirPath: string, remoteDirPath?: string): Promise<void>;
    uploadFrom(source: Readable | string, toRemotePath: string, options?: UploadOptions): Promise<FTPResponse>;
    remove(path: string, ignoreErrorCodes?: boolean): Promise<FTPResponse>;
    size(path: string): Promise<number>;
    trackProgress(fileListing?: FileInfo[]): void;
    private access;
}