private void buildPartialRepeatedFields(
        com.google.cloud.videointelligence.v1p3beta1.Track result) {
      if (timestampedObjectsBuilder_ == null) {
        if (((bitField0_ & 0x00000002) != 0)) {
          timestampedObjects_ = java.util.Collections.unmodifiableList(timestampedObjects_);
          bitField0_ = (bitField0_ & ~0x00000002);
        }
        result.timestampedObjects_ = timestampedObjects_;
      } else {
        result.timestampedObjects_ = timestampedObjectsBuilder_.build();
      }
      if (attributesBuilder_ == null) {
        if (((bitField0_ & 0x00000004) != 0)) {
          attributes_ = java.util.Collections.unmodifiableList(attributes_);
          bitField0_ = (bitField0_ & ~0x00000004);
        }
        result.attributes_ = attributes_;
      } else {
        result.attributes_ = attributesBuilder_.build();
      }
    }
<pre>
A track of an object instance.
</pre>

Protobuf type {@code google.cloud.videointelligence.v1p3beta1.Track}
java-video-intelligence/proto-google-cloud-video-intelligence-v1p3beta1/src/main/java/com/google/cloud/videointelligence/v1p3beta1/Track.java