public com.google.storagetransfer.v1.proto.TransferTypes.NotificationConfig.Builder
          getNotificationConfigBuilder() {
        bitField0_ |= 0x00000040;
        onChanged();
        return getNotificationConfigFieldBuilder().getBuilder();
      }
<pre>
Notification configuration.
</pre>

<code>.google.storagetransfer.v1.NotificationConfig notification_config = 11;</code>
java-storage-transfer/proto-google-cloud-storage-transfer-v1/src/main/java/com/google/storagetransfer/v1/proto/TransferTypes.java