/// <reference types="node" />
import { AccessOptions } from 'basic-ftp';
import { Readable } from 'stream';
import { GetUriProtocol } from '.';
export interface FTPReadable extends Readable {
    lastModified?: Date;
}
export interface FTPOptions extends AccessOptions {
    cache?: FTPReadable;
}
/**
 * Returns a Readable stream from an "ftp:" URI.
 */
export declare const ftp: GetUriProtocol<FTPOptions>;