private static OffHeapRegionEntryHelperInstance delegate() {
    return INSTANCE.delegate;
  }
The class just has static methods that operate on instances of {@link OffHeapRegionEntry}. It
allows common code to be shared for all the classes we have that implement
{@link OffHeapRegionEntry}.

@since Geode 1.0
geode-core/src/main/java/org/apache/geode/internal/offheap/OffHeapRegionEntryHelper.java