docs: public void onFilterComplete(int count) {
          if(mAutoCompleteMode == AUTOCOMPLETE_MODE_SINGLE)
              ((InternalAutoCompleteTextView)mInputView).superOnFilterComplete(count);
          else if(mAutoCompleteMode == AUTOCOMPLETE_MODE_MULTI)
              ((InternalMultiAutoCompleteTextView)mInputView).superOnFilterComplete(count);
      }