@Override
  public int getVersion() {
    return VERSION;
  }
Serializer that serializes and deserializes mixed-format enumerator {@link
MixedFormatEnumeratorOffset}.
amoro-format-mixed/amoro-mixed-flink/amoro-mixed-flink-common/src/main/java/org/apache/amoro/flink/read/hybrid/enumerator/MixedFormatEnumeratorOffsetSerializer.java