• buf : ros::SerializedMessage
• count_ : ros::serialization::LStream
• data_ : ros::serialization::Stream
• end_ : ros::serialization::Stream
• message : ros::SerializedMessage
• message_start : ros::SerializedMessage
• num_bytes : ros::SerializedMessage
• stream_type : ros::serialization::IStream , ros::serialization::LStream , ros::serialization::OStream
• type_info : ros::SerializedMessage