function acceptWebSocketimport { acceptWebSocket } from "https://deno.land/x/denoliver@2.3.1/deps.ts"; acceptWebSocket(req: { conn: Deno.Conn; bufWriter: BufWriter; bufReader: BufReader; headers: Headers; }): Promise<WebSocket>Upgrade inputted TCP connection into WebSocket connection. Parametersreq: { conn: Deno.Conn; bufWriter: BufWriter; bufReader: BufReader; headers: Headers; }ReturnsPromise<WebSocket>