private com.google.protobuf.SingleFieldBuilderV3<
              com.google.storagetransfer.v1.proto.TransferTypes.TransferJob,
              com.google.storagetransfer.v1.proto.TransferTypes.TransferJob.Builder,
              com.google.storagetransfer.v1.proto.TransferTypes.TransferJobOrBuilder>
          getTransferJobFieldBuilder() {
        if (transferJobBuilder_ == null) {
          transferJobBuilder_ =
              new com.google.protobuf.SingleFieldBuilderV3<
                  com.google.storagetransfer.v1.proto.TransferTypes.TransferJob,
                  com.google.storagetransfer.v1.proto.TransferTypes.TransferJob.Builder,
                  com.google.storagetransfer.v1.proto.TransferTypes.TransferJobOrBuilder>(
                  getTransferJob(), getParentForChildren(), isClean());
          transferJob_ = null;
        }
        return transferJobBuilder_;
      }
<pre>
Required. The job to create.
</pre>

<code>
.google.storagetransfer.v1.TransferJob transfer_job = 1 [(.google.api.field_behavior) = REQUIRED];
</code>
java-storage-transfer/proto-google-cloud-storage-transfer-v1/src/main/java/com/google/storagetransfer/v1/proto/TransferProto.java