public Builder clearObjectTrackingConfig() {
      bitField0_ = (bitField0_ & ~0x00000100);
      objectTrackingConfig_ = null;
      if (objectTrackingConfigBuilder_ != null) {
        objectTrackingConfigBuilder_.dispose();
        objectTrackingConfigBuilder_ = null;
      }
      onChanged();
      return this;
    }
<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