无法导入 firebase_database.dart Flutter

Cant import firebase_database.dart Flutter

我试图在我的 pubspec.yaml 中添加依赖,但是 import 'package:firebase_database/firebase_database.dart' 标记为 "Target of URI doesn't exist: 'package:firebase_database/firebase_database.dart'"

我检查了我的 pubspec.yaml 并且我有所有依赖项,但它仍然被标记为错误

dependencies:
  cloud_firestore: ^3.1.5
  cupertino_icons: ^1.0.2
  firebase_database: ^2.0.2
  firebase_auth: ^1.0.4
  firebase_core: ^0.4.0

  flutter:
    sdk: flutter
    
  fluttertoast: ^8.0.8
  font_awesome_flutter: ^9.0.0
  google_sign_in: ^5.0.3
  provider: ^5.0.0

dev_dependencies:
  flutter_test:
    sdk: flutter

尝试flutter clean && flutter pub get。 有时不包括包裹。