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