public Builder setObjectTrackingConfig(
        com.google.cloud.videointelligence.v1p3beta1.StreamingObjectTrackingConfig value) {
      if (objectTrackingConfigBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        streamingConfig_ = value;
        onChanged();
      } else {
        objectTrackingConfigBuilder_.setMessage(value);
      }
      streamingConfigCase_ = 5;
      return this;
    }
<pre>
Config for STREAMING_OBJECT_TRACKING.
</pre>

<code>
.google.cloud.videointelligence.v1p3beta1.StreamingObjectTrackingConfig object_tracking_config = 5;
</code>
java-video-intelligence/proto-google-cloud-video-intelligence-v1p3beta1/src/main/java/com/google/cloud/videointelligence/v1p3beta1/StreamingVideoConfig.java