Difference of setValue() & postValue() in MutableLiveData

Question

There are two ways that make change value of MutableLiveData. But what is difference between setValue() & postVa

Answer 1

setValue() is called directly from caller thread, synchronously notifies observers and changes LiveData value immediately. It can be called only from MainThread.
postValue() uses inside something like this new Handler(Looper.mainLooper()).post(() -> setValue()), so it runs setValue via Handler in MainThread. It can be called from any thread.