private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.speech.v2.SpeechAdaptation,
            com.google.cloud.speech.v2.SpeechAdaptation.Builder,
            com.google.cloud.speech.v2.SpeechAdaptationOrBuilder>
        getAdaptationFieldBuilder() {
      if (adaptationBuilder_ == null) {
        adaptationBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.cloud.speech.v2.SpeechAdaptation,
                com.google.cloud.speech.v2.SpeechAdaptation.Builder,
                com.google.cloud.speech.v2.SpeechAdaptationOrBuilder>(
                getAdaptation(), getParentForChildren(), isClean());
        adaptation_ = null;
      }
      return adaptationBuilder_;
    }
<pre>
Speech adaptation context that weights recognizer predictions for specific
words and phrases.
</pre>

<code>.google.cloud.speech.v2.SpeechAdaptation adaptation = 6;</code>
java-speech/proto-google-cloud-speech-v2/src/main/java/com/google/cloud/speech/v2/RecognitionConfig.java