@Override
  public String toString() {
    return "RecordLsn(" + transactionId + ", " + fileOffset + ")";
  }
Global row sequence number.

<p>Consist of two parts:

<ul>
  <li>id of transaction row written into the table
  <li>row sequence within the transaction
</ul>
amoro-format-iceberg/src/main/java/org/apache/amoro/data/ChangedLsn.java