public function setCustomStyleSet($area, $set)
    {
        $db = Loader::db();
        $db->Replace(
            'CollectionVersionAreaStyles',
            [
                'cID' => $this->getCollectionID(),
                'cvID' => $this->getVersionID(),
                'arHandle' => $area->getAreaHandle(),
                'issID' => $set->getID(),
            ],
            ['cID', 'cvID', 'arHandle'],
            true
            );
    }