code: def to_protobuf(self) -> LinkItemProto:
          
          result = LinkItemProto()
          result.name = self._name
          result.time.CopyFrom(datetime_to_timestamp(self._time))
          return result
docs: Create protobuf item.
  
          :return: protobuf structure
          :rtype: ~unidown.plugin.protobuf.link_item_pb2.LinkItemProto