public com.google.cloud.videointelligence.v1.NormalizedBoundingPolyOrBuilder
        getRotatedBoundingBoxOrBuilder() {
      if (rotatedBoundingBoxBuilder_ != null) {
        return rotatedBoundingBoxBuilder_.getMessageOrBuilder();
      } else {
        return rotatedBoundingBox_ == null
            ? com.google.cloud.videointelligence.v1.NormalizedBoundingPoly.getDefaultInstance()
            : rotatedBoundingBox_;
      }
    }
<pre>
Bounding polygon of the detected text for this frame.
</pre>

<code>.google.cloud.videointelligence.v1.NormalizedBoundingPoly rotated_bounding_box = 1;
</code>
java-video-intelligence/proto-google-cloud-video-intelligence-v1/src/main/java/com/google/cloud/videointelligence/v1/TextFrame.java