
The `controller.prepare()` call can trigger the callback `onPrepare()`, however, this will count down the latch by one before the callback `onStop()` is triggered. PiperOrigin-RevId: 560988209
The `controller.prepare()` call can trigger the callback `onPrepare()`, however, this will count down the latch by one before the callback `onStop()` is triggered. PiperOrigin-RevId: 560988209