public Builder mergeMetadataOptions(
          com.google.storagetransfer.v1.proto.TransferTypes.MetadataOptions value) {
        if (metadataOptionsBuilder_ == null) {
          if (((bitField0_ & 0x00000010) != 0)
              && metadataOptions_ != null
              && metadataOptions_
                  != com.google.storagetransfer.v1.proto.TransferTypes.MetadataOptions
                      .getDefaultInstance()) {
            getMetadataOptionsBuilder().mergeFrom(value);
          } else {
            metadataOptions_ = value;
          }
        } else {
          metadataOptionsBuilder_.mergeFrom(value);
        }
        if (metadataOptions_ != null) {
          bitField0_ |= 0x00000010;
          onChanged();
        }
        return this;
      }
<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