public com.google.protobuf.ByteString getCustomizedAttributionBytes() {
      java.lang.Object ref = customizedAttribution_;
      if (ref instanceof String) {
        com.google.protobuf.ByteString b =
            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
        customizedAttribution_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }
<pre>
Optional. This flag is to support user customized attribution.
If not provided, the default is `Machine Translated by Google`.
Customized attribution should follow rules in
https://cloud.google.com/translate/attribution#attribution_and_logos
</pre>

<code>string customized_attribution = 10 [(.google.api.field_behavior) = OPTIONAL];</code>

@return The bytes for customizedAttribution.
java-translate/proto-google-cloud-translate-v3beta1/src/main/java/com/google/cloud/translate/v3beta1/BatchTranslateDocumentRequest.java