@Override
  public long sizeEstimate(StructLikeWrapper structLikeWrapper) {
    if (structLikeWrapper == null) {
      return 0;
    }
    StructLike structLike = structLikeWrapper.get();
    return sizeOf(structLikeObjects(structLike));
  }
Size Estimator for StructLikeWrapper record payload.
amoro-format-iceberg/src/main/java/org/apache/amoro/utils/map/StructLikeWrapperSizeEstimator.java