export declare type WebSocketMsgType = {
    type: 'open';
    ws: WebSocket;
    event: Event;
} | {
    type: 'close';
    ws: WebSocket;
    event: CloseEvent;
} | {
    type: 'error';
    ws: WebSocket;
    event: Event;
} | {
    type: 'message';
    ws: WebSocket;
    event: MessageEvent;
};