@Override
  public void writeDataBytes(int offset, byte[] bytes, int bytesOffset, int size) {
    throw new UnsupportedOperationException(
        "ObjectStoredAsAddress does not support modifying the data bytes");
  }
If we contain a byte[] return it. Otherwise return the serialize bytes in us in a byte array.
geode-core/src/main/java/org/apache/geode/internal/offheap/TinyStoredObject.java