public Writer add(String type, ByteBuffer blobData) {
      add(new Blob(type, Collections.emptyList(), snapshotId, sequenceNumber, blobData));
      return this;
    }
Util class for write and read Iceberg statistics file {@link StatisticsFile}.
amoro-format-iceberg/src/main/java/org/apache/amoro/utils/StatisticsFileUtil.java