import { CandlestickInterval } from '../models/requests/CandlesticksRequest';
import { StreamCandlestickResponse } from '../index';
export default class PublicWebSocketClient {
    private _url;
    private _ws;
    protected _done: boolean;
    protected _streamListeners: Map<string, Function>;
    protected _listenKey?: string;
    constructor(url?: string);
    candlestick(symbol: string, interval: CandlestickInterval, cb: (data: StreamCandlestickResponse) => void): void;
    start(): void;
    stop(): void;
    private onMessage;
    private onClose;
    private candleListener;
}