@java.lang.Override
  public int hashCode() {
    if (memoizedHashCode != 0) {
      return memoizedHashCode;
    }
    int hash = 41;
    hash = (19 * hash) + getDescriptor().hashCode();
    if (hasConfig()) {
      hash = (37 * hash) + CONFIG_FIELD_NUMBER;
      hash = (53 * hash) + getConfig().hashCode();
    }
    hash = (37 * hash) + SINGLE_UTTERANCE_FIELD_NUMBER;
    hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(getSingleUtterance());
    hash = (37 * hash) + INTERIM_RESULTS_FIELD_NUMBER;
    hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(getInterimResults());
    hash = (37 * hash) + ENABLE_VOICE_ACTIVITY_EVENTS_FIELD_NUMBER;
    hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(getEnableVoiceActivityEvents());
    if (hasVoiceActivityTimeout()) {
      hash = (37 * hash) + VOICE_ACTIVITY_TIMEOUT_FIELD_NUMBER;
      hash = (53 * hash) + getVoiceActivityTimeout().hashCode();
    }
    hash = (29 * hash) + getUnknownFields().hashCode();
    memoizedHashCode = hash;
    return hash;
  }
<pre>
If set, the server will automatically close the stream after the specified
duration has elapsed after the last VOICE_ACTIVITY speech event has been
sent. The field `voice_activity_events` must also be set to true.
</pre>

<code>
.google.cloud.speech.v1p1beta1.StreamingRecognitionConfig.VoiceActivityTimeout voice_activity_timeout = 6;
</code>
java-speech/proto-google-cloud-speech-v1p1beta1/src/main/java/com/google/cloud/speech/v1p1beta1/StreamingRecognitionConfig.java