anchor.diff:    await FirebaseAppCheck.instance
         // Your personal reCaptcha public key goes here:
         .activate(
  -    webRecaptchaSiteKey: '6Lemcn0dAAAAABLkf6aiiHvpGD6x-zF3nOSDU2M8',
  +    webRecaptchaSiteKey: kWebRecaptchaSiteKey,
     );
   
     runApp(MyApp());
  
positive.code: import 'package:firebase_core/firebase_core.dart';
  import 'package:flutter/foundation.dart';
  import 'package:flutter/material.dart';
  import 'firebase_options.dart';
  
  Future<void> main() async {
    WidgetsFlutterBinding.ensureInitialized();
  
negative.code:                     'Pass in your "webRecaptchaSiteKey" key found on you Firebase Console to activate if using on the web platform.',
                    );
                  }
                  await appCheck.activate(
                    webRecaptchaSiteKey: kWebRecaptchaSiteKey,
                  );
                  setMessage('activated!!');
                },
                child: const Text('activate()'),
  