public com.google.cloud.vision.v1p3beta1.NormalizedVertex.Builder getNormalizedVerticesBuilder(
        int index) {
      return getNormalizedVerticesFieldBuilder().getBuilder(index);
    }
<pre>
The bounding polygon normalized vertices.
</pre>

<code>repeated .google.cloud.vision.v1p3beta1.NormalizedVertex normalized_vertices = 2;
</code>
java-vision/proto-google-cloud-vision-v1p3beta1/src/main/java/com/google/cloud/vision/v1p3beta1/BoundingPoly.java