@java.lang.Override
  public com.google.cloud.speech.v1p1beta1.TranscriptNormalizationOrBuilder
      getTranscriptNormalizationOrBuilder() {
    return transcriptNormalization_ == null
        ? com.google.cloud.speech.v1p1beta1.TranscriptNormalization.getDefaultInstance()
        : transcriptNormalization_;
  }
<pre>
Optional. Use transcription normalization to automatically replace parts of
the transcript with phrases of your choosing. For StreamingRecognize, this
normalization only applies to stable partial transcripts (stability &gt; 0.8)
and final transcripts.
</pre>

<code>
.google.cloud.speech.v1p1beta1.TranscriptNormalization transcript_normalization = 24 [(.google.api.field_behavior) = OPTIONAL];
</code>
java-speech/proto-google-cloud-speech-v1p1beta1/src/main/java/com/google/cloud/speech/v1p1beta1/RecognitionConfig.java