public Builder mergeRotatedBoundingBox(
        com.google.cloud.videointelligence.v1.NormalizedBoundingPoly value) {
      if (rotatedBoundingBoxBuilder_ == null) {
        if (((bitField0_ & 0x00000001) != 0)
            && rotatedBoundingBox_ != null
            && rotatedBoundingBox_
                != com.google.cloud.videointelligence.v1.NormalizedBoundingPoly
                    .getDefaultInstance()) {
          getRotatedBoundingBoxBuilder().mergeFrom(value);
        } else {
          rotatedBoundingBox_ = value;
        }
      } else {
        rotatedBoundingBoxBuilder_.mergeFrom(value);
      }
      if (rotatedBoundingBox_ != null) {
        bitField0_ |= 0x00000001;
        onChanged();
      }
      return this;
    }
<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