ERROR in : Unexpected value 'AngularFirestore in C:/Ionic/Notepad/node_modules/@angular/fire/firestore/index.d.ts' imported by the module 'FirebaseModule in C:/Ionic/Notepad/src/app/firebase/firebase.module.ts'. Please add a @NgModule annotation.
src/app/app.module.ts(21,128): error TS2339: Property 'firebase' does not exist on type '{ production: boolean; }'.
ERROR in : Unexpected value 'AngularFirestore in C:/Ionic/Notepad/node_modules/@angular/fire/firestore/index.d.ts' imported by the module 'FirebaseModule in C:/Ionic/Notepad/src/app/firebase/firebase.module.ts'. Please add a @NgModule annotation. src/app/app.module.ts(21,128): error TS2339: Property 'firebase' does not exist on type '{ production: boolean; }'.