private void maybeForceBuilderInitialization() {
        if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
          getTransferJobFieldBuilder();
        }
      }
<pre>
Request passed to CreateTransferJob.
</pre>

Protobuf type {@code google.storagetransfer.v1.CreateTransferJobRequest}
java-storage-transfer/proto-google-cloud-storage-transfer-v1/src/main/java/com/google/storagetransfer/v1/proto/TransferProto.java