@VisibleForTesting
  public void removePartitionedRegionStats(PartitionedRegionStats parStats) {
    regionMonitor.removePartitionStatistics(parStats.getStats());
  }
This class acts as an Bridge between MemberMBean and GemFire Cache and Distributed System
geode-core/src/main/java/org/apache/geode/management/internal/beans/MemberMBeanBridge.java