@java.lang.Override
  public com.google.protobuf.Timestamp getUpdateTime() {
    return updateTime_ == null ? com.google.protobuf.Timestamp.getDefaultInstance() : updateTime_;
  }
<pre>
Time of the most recent update.
</pre>

<code>.google.protobuf.Timestamp update_time = 4;</code>

@return The updateTime.
java-video-intelligence/proto-google-cloud-video-intelligence-v1beta2/src/main/java/com/google/cloud/videointelligence/v1beta2/VideoAnnotationProgress.java