public Builder removeVertices(int index) {
      if (verticesBuilder_ == null) {
        ensureVerticesIsMutable();
        vertices_.remove(index);
        onChanged();
      } else {
        verticesBuilder_.remove(index);
      }
      return this;
    }
<pre>
The bounding polygon vertices.
</pre>

<code>repeated .google.cloud.vision.v1p4beta1.Vertex vertices = 1;</code>
java-vision/proto-google-cloud-vision-v1p4beta1/src/main/java/com/google/cloud/vision/v1p4beta1/BoundingPoly.java