Create a VisibilityHandler Co-authored-by: nenzen <stefan@nenzen.com> Reviewed-on: #3 Reviewed-by: erth9960 <thuning@dsv.su.se> Co-authored-by: Stefan Nenzén <nenzen@dsv.su.se> Co-committed-by: Stefan Nenzén <nenzen@dsv.su.se>
One for generation and one for import.
