s/import com.ustadmobile.door.DoorLiveData/import androidx.lifecycle.LiveData/g
s/DoorLiveData/LiveData/g
s/import com.ustadmobile.door.DoorObserver/import androidx.lifecycle.Observer/g
s/DoorObserver/Observer/g
s/import com.ustadmobile.door.LifecycleOwner/import androidx.lifecycle.LifecycleOwner/g
s/DoorLifecycleOwner/LifecycleOwner/g
s/import com.ustadmobile.door.DoorDataSourceFactory/import androidx.paging.DataSource/g
s/DoorDataSourceFactory/DataSource.Factory/g