@Override
      public void afterUpdate(EntryEvent event) {
        System.out.println("UPDATE: " + event.getKey() + " -> (" + event.getOldValue() + " -> "
            + event.getNewValue() + ")");
      }
Returns the <code>EvictionStatistics</code> for the given region
geode-core/src/test/java/org/apache/geode/cache30/TestDiskRegion.java