@Override
    public String toString() {
      return MoreObjects.toStringHelper(this).add("snapshotId", snapshotId).toString();
    }
Value object class, that stores the cherry-pick operation specific parameters.
<ul>
  <li>snapshotId: the snapshotId which needs to be cherry-picked</li>
</ul>
ql/src/java/org/apache/hadoop/hive/ql/parse/AlterTableExecuteSpec.java