@java.lang.Override
  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
    for (int i = 0; i < segments_.size(); i++) {
      output.writeMessage(1, segments_.get(i));
    }
    if (((bitField0_ & 0x00000001) != 0)) {
      output.writeMessage(2, getLabelDetectionConfig());
    }
    if (((bitField0_ & 0x00000002) != 0)) {
      output.writeMessage(3, getShotChangeDetectionConfig());
    }
    if (((bitField0_ & 0x00000004) != 0)) {
      output.writeMessage(4, getExplicitContentDetectionConfig());
    }
    if (((bitField0_ & 0x00000008) != 0)) {
      output.writeMessage(5, getFaceDetectionConfig());
    }
    if (((bitField0_ & 0x00000010) != 0)) {
      output.writeMessage(6, getSpeechTranscriptionConfig());
    }
    if (((bitField0_ & 0x00000020) != 0)) {
      output.writeMessage(8, getTextDetectionConfig());
    }
    if (((bitField0_ & 0x00000040) != 0)) {
      output.writeMessage(11, getPersonDetectionConfig());
    }
    if (((bitField0_ & 0x00000080) != 0)) {
      output.writeMessage(13, getObjectTrackingConfig());
    }
    getUnknownFields().writeTo(output);
  }
<pre>
Config for OBJECT_TRACKING.
</pre>

<code>.google.cloud.videointelligence.v1.ObjectTrackingConfig object_tracking_config = 13;
</code>
java-video-intelligence/proto-google-cloud-video-intelligence-v1/src/main/java/com/google/cloud/videointelligence/v1/VideoContext.java