//<com>
class FirebaseHelper {
  FirebaseHelper._internal();

  factory FirebaseHelper() => _getInstance();

  static FirebaseHelper get instance => _getInstance();
  static FirebaseHelper? _instance;

  static FirebaseHelper _getInstance() {
    _instance ??= FirebaseHelper._internal();
    return _instance!;
  }

  Future<void> initSdk() async {}

  Future<void> trackEvent(String eventName,
      {String? title,
      String? screenName,
      String? elementContent,
      String? operation}) async {}
}
//</com>