def exportValue(self, vf, value):
        m = StrStrHashMap(value)
        keysAndValues = []
        for i in m.keys():
            keysAndValues.append(i)
            keysAndValues.append(m[i])
def _on_event_box_buttons_size_allocate(self, event_box, allocation):
    if self._buttons_allocation is not None:
      return