import express from "express";
import * as ws from "ws";
import { NodeWS, SocketData } from "./internal";
export type ServerAppRouter = {
    router: express.Router;
    onShutdown?: () => Promise<void>;
};
export type WsMessageListener<MS extends SocketData, MR extends SocketData> = (message: MR, nws: NodeWS<MS, MR>) => void;
export type WebsocketRequestHandler = (ws: ws, _req: any, _next: any) => void;
export { express };