public void notifyInserted(ObservableList list, int start, int count) {
        ListChanges listChanges = acquire(start, 0, count);
        notifyCallbacks(list, INSERTED, listChanges);
    }
Notify registered callbacks that elements were inserted.

@param list  The list that changed.
@param start The index where the elements were inserted.
@param count The number of elements that were inserted.
android/android_framework/base/src/main/java/github/tornaco/android/thanos/core/util/obs/ListChangeRegistry.java