@java.lang.Override
      public Builder clone() {
        return super.clone();
      }
<pre>
Events that a timeout can be set on for voice activity.
</pre>

Protobuf type {@code
google.cloud.speech.v2.StreamingRecognitionFeatures.VoiceActivityTimeout}
java-speech/proto-google-cloud-speech-v2/src/main/java/com/google/cloud/speech/v2/StreamingRecognitionFeatures.java