@java.lang.Override
    public com.google.storagetransfer.v1.proto.TransferTypes.TransferSpecOrBuilder
        getTransferSpecOrBuilder() {
      return transferSpec_ == null
          ? com.google.storagetransfer.v1.proto.TransferTypes.TransferSpec.getDefaultInstance()
          : transferSpec_;
    }
<pre>
Transfer specification.
</pre>

<code>.google.storagetransfer.v1.TransferSpec transfer_spec = 3;</code>
java-storage-transfer/proto-google-cloud-storage-transfer-v1/src/main/java/com/google/storagetransfer/v1/proto/TransferTypes.java