BasicLiveData_03.kt

class SomeViewModel(
  private val getUsersUseCase: GetUserUseCase,
  private val mapper: PresentationMapper
) : ViewModel() {
  
  // Only your viewmodel should update the value.
   private val _users: MutableLiveData<List<PresentationUser>> = MutableLiveData()
   val users: LiveData<List<PresentationUser>>
    get() = _users
  
  ...
  
  private fun executeUseCase() {
    viewModelScope.launch {    
      val domainUsers = getUserUseCase.someComputation()
      val presentationUsers = mapper.mapDomainUsersToPresentation(domainUsers)
      _users.value = presentationUsers
    }   
  }
}