public com.google.storagetransfer.v1.proto.TransferTypes.MetadataOptions.Builder
          getMetadataOptionsBuilder() {
        bitField0_ |= 0x00000010;
        onChanged();
        return getMetadataOptionsFieldBuilder().getBuilder();
      }
<pre>
Represents the selected metadata options for a transfer job.
</pre>

<code>.google.storagetransfer.v1.MetadataOptions metadata_options = 5;</code>
java-storage-transfer/proto-google-cloud-storage-transfer-v1/src/main/java/com/google/storagetransfer/v1/proto/TransferTypes.java