extension-develop/dist/webpack/plugin-reload/start-server.d.ts

The develop step of Extension.js

import { WebSocket } from 'ws';
import { Compiler } from '@rspack/core';
import { DevOptions } from '../../module';
export declare function startServer(compiler: Compiler, options: DevOptions): Promise<import("ws").Server<typeof WebSocket, typeof import("http").IncomingMessage>>;