How to create my own ReactiveBottomSheetDialogFragment

[J-Swift]

I was looking for a ReactiveBottomSheetDialogFragment that inherits from com.google.android.material.bottomsheet.BottomSheetDialogFragment (https://developer.android.com/reference/com/google/android/material/bottomsheet/BottomSheetDialogFragment) but it looks like there is just ReactiveDialogFragment which inherits androidx.fragment.app.DialogFragment. So, I tried to do my own by copy/pasting that implementation but it looks like a lot of methods are internal:

• GetThrownExceptionsObservable
• GetChangingObservable
• GetChangedObservable
• IReactiveObjectExtensions.SuppressChangeNotifications

Whats the recommended approach for this?