@java.lang.Override
  public int getSerializedSize() {
    int size = memoizedSize;
    if (size != -1) return size;

    size = 0;
    for (int i = 0; i < celebrityTracks_.size(); i++) {
      size += com.google.protobuf.CodedOutputStream.computeMessageSize(1, celebrityTracks_.get(i));
    }
    size += getUnknownFields().getSerializedSize();
    memoizedSize = size;
    return size;
  }
<pre>
The tracks detected from the input video, including recognized celebrities
and other detected faces in the video.
</pre>

<code>repeated .google.cloud.videointelligence.v1p3beta1.CelebrityTrack celebrity_tracks = 1;
</code>
java-video-intelligence/proto-google-cloud-video-intelligence-v1p3beta1/src/main/java/com/google/cloud/videointelligence/v1p3beta1/CelebrityRecognitionAnnotation.java