private void ensurePhraseSetsIsMutable() {
      if (!((bitField0_ & 0x00000001) != 0)) {
        phraseSets_ = new java.util.ArrayList<com.google.cloud.speech.v1.PhraseSet>(phraseSets_);
        bitField0_ |= 0x00000001;
      }
    }
<pre>
Speech adaptation configuration.
</pre>

Protobuf type {@code google.cloud.speech.v1.SpeechAdaptation}
java-speech/proto-google-cloud-speech-v1/src/main/java/com/google/cloud/speech/v1/SpeechAdaptation.java