SYMBOL INDEX (7 symbols across 3 files) FILE: index.js function deprecate (line 3) | function deprecate(helper) { FILE: test/react-app/src/App.js class App (line 5) | class App extends Component { method render (line 6) | render() { FILE: test/react-app/src/serviceWorker.js function register (line 23) | function register(config) { function registerValidSW (line 57) | function registerValidSW(swUrl, config) { function checkValidServiceWorker (line 101) | function checkValidServiceWorker(swUrl, config) { function unregister (line 129) | function unregister() {