import React from 'react';import * as ReactDOM from 'react-dom/client';import { ApolloClient, InMemoryCache, ApolloProvider } from '@apollo/client';import App from './App';const client = new ApolloClient({ uri: 'https://flyby-router-demo.herokuapp.com/', cache: new InMemoryCache(),});// Supported in React 18+const root = ReactDOM.createRoot(document.getElementById('root'));root.render( <ApolloProvider client={client}> <App /> </ApolloProvider>,);