public Builder clearReferenceSentenceConfig() {
      bitField0_ = (bitField0_ & ~0x00000008);
      referenceSentenceConfig_ = null;
      if (referenceSentenceConfigBuilder_ != null) {
        referenceSentenceConfigBuilder_.dispose();
        referenceSentenceConfigBuilder_ = null;
      }
      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