public com.google.cloud.vision.v1.NormalizedVertex getNormalizedVertices(int index) {
      if (normalizedVerticesBuilder_ == null) {
        return normalizedVertices_.get(index);
      } else {
        return normalizedVerticesBuilder_.getMessage(index);
      }
    }
<pre>
The bounding polygon normalized vertices.
</pre>

<code>repeated .google.cloud.vision.v1.NormalizedVertex normalized_vertices = 2;</code>
java-vision/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/BoundingPoly.java