class WS extends Transportimport { WS } from "https://deno.land/x/socket_io@0.2.0/packages/engine.io/lib/transports/websocket.ts"; Propertiesprivateoptionalsocket: WebSocketreadonlynamereadonlyupgradesTo: string[]MethodsprotecteddoClose()onRequest(req: Request): Promise<Response>send(packets: Packet[])