initialProblem.kt

//INITIAL POSITION
class ClubsViewModel():  BaseViewModel() {
    private var _mClubs = MutableLiveData<ArrayList<ClubFSEntity>>()
    ...

    private fun listenToFireStoreClubs() {
        mFirestore.collection("Clubs").addSnapshotListener { snapshot, e ->
            // if there is an exception we want to skip.
            if (e != null) {
                return@addSnapshotListener
            }
            // if we are here, we did not encounter an exception
            if (snapshot != null) {
                val allClubs = ArrayList<ClubFSEntity>()
                snapshot.documents.forEach {
                    it.toObject(ClubFSEntity::class.java)?.let {
        
                        allClubs.add(it)
                    }
                }
                _mClubs.value = allClubs
            }
        }
    }
}
...
...
class ProjectsViewModel():  BaseViewModel() {
    private var _mProjects = MutableLiveData<ArrayList<ProjectsFSEntity>>()

    private fun listenToFireStoreProjects() {
        //Code Here is Similar to the Code in the similar function in ClubsViewModel.
    }
}
...
...
//Many Viewmodels will extend this class.
open class BaseViewModel() : ViewModel()  {
    protected val mFirestore = Firebase.firestore
    protected var mStorageReferenence: StorageReference

    protected val _networkState = MutableLiveData<NetworkState>()
    protected val networkState: LiveData<NetworkState> = _networkState

    //I would like to make this function private to access the above variables.
    inline fun listenToFireStoreCollection[TO MOVE HERE SO THAT ALL MY OTHER VIEW MODELS CAN CALL IT]
}
...
...
@Parcelize
data class ClubFSEntity(val title: String="",
                        val description: String="",
                        val startDate: String?=null,
                        var clubId : String=""): Parcelable