code: def Send(self, message):
      
      if not isinstance(message, common_pb2.Message):
        raise ValueError("Send requires a fleetspeak.Message")
  
      if message.destination.service_name == "system":
        raise ValueError(
            "Only predefined messages can have destination.service_name == \"system\"")
  
      return self._SendImpl(message)
docs: Send a message through Fleetspeak.
  
      Args:
        message: A message protocol buffer.
      Returns:
        Size of the message in bytes.
      Raises:
        ValueError: If message is not a common_pb2.Message.