@Override
  public int getSizeInBytes() {
    return MEM_OVERHEAD + CachedDeserializableFactory.getByteSize(value) * 2;
  }
Return current value regardless of whether it is serialized or deserialized: if it was
serialized than it is a byte[], otherwise it is not a byte[].
geode-core/src/main/java/org/apache/geode/internal/cache/StoreAllCachedDeserializable.java