@java.lang.Override
  public int getDiarizationSpeakerCount() {
    return diarizationSpeakerCount_;
  }
<pre>
Optional. If set, specifies the estimated number of speakers in the
conversation. If not set, defaults to '2'. Ignored unless
enable_speaker_diarization is set to true.
</pre>

<code>int32 diarization_speaker_count = 8 [(.google.api.field_behavior) = OPTIONAL];</code>

@return The diarizationSpeakerCount.
java-video-intelligence/proto-google-cloud-video-intelligence-v1p3beta1/src/main/java/com/google/cloud/videointelligence/v1p3beta1/SpeechTranscriptionConfig.java