Leo

I think the current implementation is acceptable but can potentially be improved. @d-goog @nbayati would like to hear your thoughts: 1) Instead of each auth client subclass (like JWTClient, ComputeClient,...

Hi @ksauzz, you can supply your own custom AWS credential supplier to the library that handles your use case. See [here](https://github.com/googleapis/google-auth-library-java?tab=readme-ov-file#using-a-custom-supplier-with-aws).

Hey folks, we don't plan on directly supporting this right now and suggest using your own [custom credential supplier](https://github.com/googleapis/google-auth-library-python/blob/main/docs/user-guide.rst#accessing-resources-using-a-custom-supplier-with-aws).