void removeRegion(Region region) {
    if (region.getAttributes().getPartitionAttributes() != null) {
      removePartitionedRegionStats(((PartitionedRegion) region).getPrStats());
    }

    InternalRegion internalRegion = (InternalRegion) region;
    removeLRUStats(internalRegion.getEvictionStatistics());

    DiskRegion diskRegion = internalRegion.getDiskRegion();
    if (diskRegion != null) {
      for (DirectoryHolder directoryHolder : diskRegion.getDirectories()) {
        removeDirectoryStats(directoryHolder.getDiskDirectoryStats());
      }
    }
  }
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