/// <reference types="node" />
import { EventEmitter } from 'events';
import { WsPrivateChannelArgTickers } from './type/request';
import { InstrumentType } from '.';
export interface WsTicker {
    instType: InstrumentType;
    instId: string;
    last: string;
    lastSz: string;
    askPx: string;
    askSz: string;
    bidPx: string;
    bidSz: string;
    open24h: string;
    high24h: string;
    low24h: string;
    volCcy24h: string;
    vol24h: string;
    sodUtc0: string;
    sodUtc8: string;
    ts: string;
}
export interface Market {
    emit(event: 'push-tickers', data: WsTicker[]): boolean;
    on(event: 'push-tickers', listener: (data: WsTicker[]) => void): this;
    off(event: 'push-tickers', listener: (data: WsTicker[]) => void): this;
}
export declare class Market extends EventEmitter {
    private _okxWsClient;
    private _tickers;
    constructor();
    subscribe(args: WsPrivateChannelArgTickers[]): void;
    get tickers(): Map<string, WsTicker>;
}