MetricName metricName(String name) {
            return metrics.metricName(name, groupId.groupName(), "", groupId.tags());
        }
Create the name of a metric that belongs to this group and has the group's tags.

@param template the name template for the metric; may not be null
@return the metric name; never null
@throws IllegalArgumentException if the name is not valid
connect/runtime/src/main/java/org/apache/kafka/connect/runtime/ConnectMetrics.java