text: import React from 'react';
  import ReactDOM from 'react-dom';
  import './index.css';
  import App from './App';
  import * as serviceWorker from './serviceWorker';
  import {BrowserRouter} from 'react-router-dom';
  import CurrentUser from './models/CurrentUser'
  import AllTweets from './models/Tweets'
  import  { TypeProvider } from './models/Type';
  
  ReactDOM.render (
      <BrowserRouter>
          <CurrentUser>
              <AllTweets>
                  <TypeProvider>
                      <App></App>
                      </TypeProvider>
              </AllTweets>
          </CurrentUser>
      </BrowserRouter>,
      document.getElementById('root')
  );
  
  
  // If you want your app to work offline and load faster, you can change
  // unregister() to register() below. Note this comes with some pitfalls.
  // Learn more about service workers: https://bit.ly/CRA-PWA
  serviceWorker.unregister();
  