def importHelper(self, struct):
        m = StrStrHashMap()
        keysAndValues = struct.get(self.__field)
        for i in range(0, len(keysAndValues), 2):
            m[keysAndValues[i]] = keysAndValues[i+1]
        return m
def remove_item(self, item):
    if (self._locker.is_unlocked("prevent_removal_below_min_size")
        and len(self._items) == self._min_size):
      return