import { WsChannel } from './ws-request.js';
export interface MessageEventLike {
    target: WebSocket;
    type: 'message';
    data: string;
}
export declare function isMessageEvent(msg: unknown): msg is MessageEventLike;
export interface WsEvent {
    event: 'error' | 'login' | 'subscribe' | 'unsubscribe' | 'channel-conn-count';
    code?: string;
    msg?: string;
    arg?: any;
    data?: any;
}
export interface WsDataEvent<T = any> {
    arg: {
        channel: WsChannel;
        uid?: string;
        instId?: string;
        instFamily?: string;
        instType?: string;
    };
    data: T;
}
export interface WsLoginEvent extends WsEvent {
    event: 'login';
}
export interface WsChannelConnInfoEvent extends WsEvent {
    event: 'channel-conn-count';
    channel: string;
    connId: string;
    connCount: string;
}
export type WsResponse = WsEvent;