public com.google.cloud.videointelligence.v1.NormalizedBoundingBoxOrBuilder
        getNormalizedBoundingBoxOrBuilder() {
      if (normalizedBoundingBoxBuilder_ != null) {
        return normalizedBoundingBoxBuilder_.getMessageOrBuilder();
      } else {
        return normalizedBoundingBox_ == null
            ? com.google.cloud.videointelligence.v1.NormalizedBoundingBox.getDefaultInstance()
            : normalizedBoundingBox_;
      }
    }
<pre>
Normalized Bounding box in a frame, where the object is located.
</pre>

<code>.google.cloud.videointelligence.v1.NormalizedBoundingBox normalized_bounding_box = 1;
</code>
java-video-intelligence/proto-google-cloud-video-intelligence-v1/src/main/java/com/google/cloud/videointelligence/v1/TimestampedObject.java