code: def ReadSerializedDict(cls, json_dict):
      
      if json_dict:
        json_object = cls._ConvertDictToObject(json_dict)
        if not isinstance(json_object, containers_interface.AttributeContainer):
          raise TypeError('{0:s} is not an attribute container type.'.format(
              type(json_object)))
        return json_object
  
      return None
docs: Reads an attribute container from serialized dictionary form.
  
      Args:
        json_dict (dict[str, object]): JSON serialized objects.
  
      Returns:
        AttributeContainer: attribute container or None.
  
      Raises:
        TypeError: if the serialized dictionary does not contain an
            AttributeContainer.