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

<code>.google.cloud.videointelligence.v1.NormalizedBoundingBox normalized_bounding_box = 1;
</code>

@return The normalizedBoundingBox.
java-video-intelligence/proto-google-cloud-video-intelligence-v1/src/main/java/com/google/cloud/videointelligence/v1/TimestampedObject.java