public Builder setReferenceSentenceConfig(
        com.google.cloud.translate.v3.AdaptiveMtTranslateRequest.ReferenceSentenceConfig value) {
      if (referenceSentenceConfigBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        referenceSentenceConfig_ = value;
      } else {
        referenceSentenceConfigBuilder_.setMessage(value);
      }
      bitField0_ |= 0x00000008;
      onChanged();
      return this;
    }
<pre>
Configuration for caller provided reference sentences.
</pre>

<code>
optional .google.cloud.translation.v3.AdaptiveMtTranslateRequest.ReferenceSentenceConfig reference_sentence_config = 6;
</code>
java-translate/proto-google-cloud-translate-v3/src/main/java/com/google/cloud/translate/v3/AdaptiveMtTranslateRequest.java