def exportValue(self, vf, value):
        m = StrStrHashMap(value)
        keysAndValues = []
        for i in m.keys():
            keysAndValues.append(i)
            keysAndValues.append(m[i])
def reorder_item(self, item, position):
    new_position = min(max(position, 0), len(self._items) - 1)