@java.lang.Override
  @java.lang.Deprecated
  public com.google.protobuf.TimestampOrBuilder getLastUpdateTimeOrBuilder() {
    return lastUpdateTime_ == null
        ? com.google.protobuf.Timestamp.getDefaultInstance()
        : lastUpdateTime_;
  }
<pre>
Deprecated. Do not use.
</pre>

<code>.google.protobuf.Timestamp last_update_time = 2 [deprecated = true];</code>
java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/java/com/google/cloud/texttospeech/v1/SynthesizeLongAudioMetadata.java