public com.google.cloud.videointelligence.v1.NormalizedBoundingBox.Builder
        getNormalizedBoundingBoxBuilder() {
      bitField0_ |= 0x00000001;
      onChanged();
      return getNormalizedBoundingBoxFieldBuilder().getBuilder();
    }
<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