Indicates whether the metric collector exports to Prometheus.
Limit on the number of groups maintained by this metric collector.
Session metric collectors can {@link SessionMetricCollector.getGroupByProperties group metrics by property}. Topic metric collectors can {@link TopicMetricCollector#groupsByTopicType group metrics by topic type}. This property places an upper limit on the number of groups that will be maintained for the metric collector.
For example, if a session metric collector groups by $SessionId
and
maximumGroups is 10, then metrics will only be collected for the
first 10 sessions.
the name of the metric collector
The common base interface for metric collectors.