[REQUIRED] Please fill in the following fields:

• Pre-built SDK from the website or open-source from this repo: From the website (downloaded by Flutterfire)
• Firebase C++ SDK version: 12.7.0
• Main Firebase Components in concern: Auth
• Other Firebase Components in use: AppCheck
• Platform you are using the C++ SDK on: Windows
• Platform you are targeting: iOS, Android, and desktop

[REQUIRED] Please describe the question here:

I've seen on my Firebase Console that Firebase Auth now has experimental Firebase AppCheck support, which would be very useful to limit the creation of "fake" accounts. Is it handled by the Firebase C++ SDK ?

Thanks.