isRelatedTo??null; } public function setIsRelatedTo(Product|Service|array $isRelatedTo):void { if (is_array($isRelatedTo)) { $isRelatedTo = $this->mixedArray('isRelatedTo', $isRelatedTo, [ 'JVBase\managers\SEO\render\Thing\Intangible\Service', 'JVBase\managers\SEO\render\Thing\Product\Product' ]); } $this->isRelatedTo = $isRelatedTo; } }