dated during
 <a href="../../../../io/delta/standalone/OptimisticTransaction.html#commit-java.lang.Iterable-io.delta.standalone.Operation-java.lang.String-"><code>OptimisticTransaction.commit(java.lang.Iterable&lt;T&gt;, io.delta.standalone.Operation, java.lang.String)</code></a>.
 <p>
 Note that for protocol compatibility reasons, the fields <code>partitionValues</code>,
 <code>size</code>, and <code>tags</code> are only present when the <code>extendedFileMetadata</code> flag is
 true. New writers should g