import { CtcpParser, ParamsCTCP } from './ctcp_parser';
import * as ProgressBar from './lib/progress';
export type ParamsDL = ParamsCTCP & {
    /**
     * Array of ports for passive DCC
     * @default [5001]
     * @remark Some xdcc bots use passive dcc, this require to have these ports opened on your computer/router/firewall
     * @example
     * ```js
     * params.passivePort = [3213, 3214]
     * ```
     */
    passivePort: number[];
    /**
     * Throttle speed (KiB/s)
     * @default undefined
     * @example
     * ```js
     * param.throttle = 500
     * ```
     */
    throttle?: number;
};
export default class Downloader extends CtcpParser {
    protected passivePort: number[];
    private ip;
    protected throttle?: number;
    constructor(params: ParamsDL);
    static getIp(): Promise<{
        v4: string | undefined;
        v6: string | undefined;
    }>;
    private setupStream;
    private prepareDL;
    private portPicker;
    private processDL;
    private onTimeOut;
    private onError;
    private onClose;
    private onData;
    protected static setupProgressBar(len: number): ProgressBar;
}