@Retained(ENTRY_EVENT_NEW_VALUE)
  public StoredObject getOffHeapNewValue() {
    return convertToStoredObject(basicGetNewValue());
  }
If the new value is stored off-heap return a retained OFF_HEAP_REFERENCE (caller must release).

@return a retained OFF_HEAP_REFERENCE if the new value is off-heap; otherwise returns null
geode-core/src/main/java/org/apache/geode/internal/cache/EntryEventImpl.java