private com.google.protobuf.RepeatedFieldBuilderV3<
            com.google.cloud.videointelligence.v1p3beta1.TimestampedObject,
            com.google.cloud.videointelligence.v1p3beta1.TimestampedObject.Builder,
            com.google.cloud.videointelligence.v1p3beta1.TimestampedObjectOrBuilder>
        getTimestampedObjectsFieldBuilder() {
      if (timestampedObjectsBuilder_ == null) {
        timestampedObjectsBuilder_ =
            new com.google.protobuf.RepeatedFieldBuilderV3<
                com.google.cloud.videointelligence.v1p3beta1.TimestampedObject,
                com.google.cloud.videointelligence.v1p3beta1.TimestampedObject.Builder,
                com.google.cloud.videointelligence.v1p3beta1.TimestampedObjectOrBuilder>(
                timestampedObjects_,
                ((bitField0_ & 0x00000002) != 0),
                getParentForChildren(),
                isClean());
        timestampedObjects_ = null;
      }
      return timestampedObjectsBuilder_;
    }
<pre>
The object with timestamp and attributes per frame in the track.
</pre>

<code>
repeated .google.cloud.videointelligence.v1p3beta1.TimestampedObject timestamped_objects = 2;
</code>
java-video-intelligence/proto-google-cloud-video-intelligence-v1p3beta1/src/main/java/com/google/cloud/videointelligence/v1p3beta1/Track.java