in health_metric_collector/include/health_metric_collector/metric_manager.h [61:67]
explicit MetricManager(
rclcpp::Node::SharedPtr node,
std::string metrics_topic_name,
int topic_buffer_size
) :
node_(node),
publisher_(node->create_publisher<ros_monitoring_msgs::msg::MetricList>(metrics_topic_name, topic_buffer_size)) {}