• _column_index : rqt_topic.topic_widget.TopicWidget
• _column_names : rqt_topic.topic_widget.TopicWidget
• _current_topic_list : rqt_topic.topic_widget.TopicWidget
• _plugin : rqt_topic.topic_widget.TopicWidget
• _subscriber : rqt_topic.topic_info.TopicInfo
• _timer_refresh_topics : rqt_topic.topic_widget.TopicWidget
• _topic_name : rqt_topic.topic_info.TopicInfo
• _topics : rqt_topic.topic_widget.TopicWidget
• _tree_items : rqt_topic.topic_widget.TopicWidget
• _widget : rqt_topic.topic.Topic
• last_message : rqt_topic.topic_info.TopicInfo
• monitoring : rqt_topic.topic_info.TopicInfo
• sizes : rqt_topic.topic_info.TopicInfo
• times : rqt_topic.topic_info.TopicInfo
• timestamps : rqt_topic.topic_info.TopicInfo