LoRA in AI Core

Hello,
I’m tring to use aicore with my pixel 9 machine.
Sample app in the guide (Gemini Nano with the Google AI Edge SDK  |  Android Developers) works well and I want to add LoRA adapter.

AI Core provides LoRA block from this guide

However, I could not find related api or documentation.
Has the LoRA related API been released yet?

Thanks,