Deprecation warnings with Java OpenJDK 24 - sun.misc.Unsafe usage in Firebase Admin SDK

Comienza reproduciendo la inicialización de Firebase Admin Authentication con OpenJDK 24 e inspecciona la dependencia Guava AbstractFuture$UnsafeAtomicHelper mencionada en el informe. Determina si la advertencia puede resolverse mediante la dependencia del SDK o si requiere indicaciones de compatibilidad; se considera terminado cuando la configuración compatible está documentada o las advertencias dejan de aparecer.

[READ] Step 1: Are you in the right place?

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  file a Github issue.
  • If this is a feature request make sure the issue title starts with "FR:".
• For general technical questions, post a question on StackOverflow
  with the firebase tag.
• For general Firebase discussion, use the firebase-talk
  google group.
• For help troubleshooting your application that does not fall under one
  of the above categories, reach out to the personalized
  Firebase support channel.

[REQUIRED] Step 2: Describe your environment

• Operating System version: macOS Sequoia 15.5
• Firebase SDK version: 9.5.0
• Library version: 9.5.0
• Firebase Product: Firebase Admin
• Java version: OpenJDK 24

[REQUIRED] Step 3: Describe the problem

Create a Java application using Firebase Admin Authentication
Use Java OpenJDK 24 as the runtime
Run the application
Observe deprecation warnings in the console output

What happened?
When running a Firebase Admin Authentication application with Java OpenJDK 24, the following deprecation warnings are displayed:
WARNING: A terminally deprecated method in sun.misc.Unsafe has been called
WARNING: sun.misc.Unsafe::objectFieldOffset has been called
WARNING: Please consider reporting this to the maintainers of class com.google.common.util.concurrent.AbstractFuture$UnsafeAtomicHelper
WARNING: sun.misc.Unsafe::objectFieldOffset will be removed in a future release
This appears to be related to the Firebase Admin SDK's dependency on Guava's AbstractFuture$UnsafeAtomicHelper class, which uses the deprecated sun.misc.Unsafe::objectFieldOffset method.
Expected behavior:
The Firebase Admin SDK should work without deprecation warnings on supported Java versions, or provide guidance on compatible Java versions.
Relevant Code:
java// Basic Firebase Admin initialization that triggers the warnings
FirebaseOptions options = FirebaseOptions.builder()
.setCredentials(GoogleCredentials.getApplicationDefault())
.build();

FirebaseApp.initializeApp(options);

// Any subsequent Firebase Admin operations will show the warnings
Additional context:

The warnings appear to be coming from the Guava library dependency used by Firebase Admin SDK
This may impact future compatibility when Java removes the deprecated sun.misc.Unsafe methods
The application functions correctly despite the warnings