@Override
    public void write(DataOutput out) throws IOException {
      out.writeLong(minWriteId);
      out.writeLong(maxWriteId);
      out.writeInt(stmtIds.size());
      for (Integer id : stmtIds) {
        out.writeInt(id);
      }
      out.writeLong(visibilityTxnId);
      out.writeInt(deltaFiles.size());
      for (DeltaFileMetaData fileMeta : deltaFiles) {
        fileMeta.write(out);
      }
    }
@param minWriteId min writeId of the delta directory
@param maxWriteId max writeId of the delta directory
@param stmtIds delta dir suffixes when a single txn writes &gt; 1 delta in the same partition
@param visibilityTxnId maybe 0, if the dir name didn't have it.  txnid:0 is always visible
@param deltaFiles bucketFiles in the directory
ql/src/java/org/apache/hadoop/hive/ql/io/AcidInputFormat.java