public function load(\Transphporm\FeatureSet $featureSet) { $data = $featureSet->getData(); $featureSet->registerPseudo(new \Transphporm\Pseudo\Attribute($data)); $featureSet->registerPseudo(new \Transphporm\Pseudo\Nth()); $featureSet->registerPseudo(new \Transphporm\Pseudo\Not($data)); }