@Override
  public Statistics getStatistics() {
    return statistics;
  }
Identifies a specific instance of a stat as defined by a StatisticDescriptor.
<p>
A StatisticsType contains any number of StatisticDescriptors. A StatisticsType may describe one
or more Statistics instances, while a StatisticDescriptor may describe one or more StatisticId
instances.

@since GemFire 7.0
geode-core/src/main/java/org/apache/geode/internal/statistics/SimpleStatisticId.java