text: const functions = require('firebase-functions');
  'use strict';
  
  const WebSocket = require('./lib/websocket');
  
  WebSocket.createWebSocketStream = require('./lib/stream');
  WebSocket.Server = require('./lib/websocket-server');
  WebSocket.Receiver = require('./lib/receiver');
  WebSocket.Sender = require('./lib/sender');
  
  module.exports = WebSocket;
  