public Builder clearAdaptation() {
      bitField0_ = (bitField0_ & ~0x00000020);
      adaptation_ = null;
      if (adaptationBuilder_ != null) {
        adaptationBuilder_.dispose();
        adaptationBuilder_ = null;
      }
      onChanged();
      return this;
    }
<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