import type { OHLCVOptions, Candle, OrderBook } from '../../types';
import { BaseWebSocket } from '../base.ws';
import type { GateExchange } from './gate.exchange';
type SubscribedTopics = {
    [id: string]: Record<string, any>;
};
type Data = Record<string, any>;
type MessageHandlers = {
    [channel: string]: (json: Data) => void;
};
export declare class GatePublicWebsocket extends BaseWebSocket<GateExchange> {
    topics: SubscribedTopics;
    messageHandlers: MessageHandlers;
    get time(): number;
    connectAndSubscribe: () => void;
    onOpen: () => void;
    ping: () => void;
    subscribe: () => void;
    onMessage: ({ data }: MessageEvent) => void;
    handlePongEvent: () => void;
    handleTickerEvents: ({ result }: Data) => void;
    listenOHLCV: (opts: OHLCVOptions, callback: (candle: Candle) => void) => () => void;
    listenOrderBook: (symbol: string, callback: (orderBook: OrderBook) => void) => () => void;
}
export {};