byDay??null; } public function setByDay(DayOfWeek|string|array $byDay):void { if (is_array($byDay)) { $byDay = $this->mixedArray('byDay', $byDay,[ 'string', 'JVBase\managers\SEO\render\Thing\Intangible\Enumeration\DayOfWeek' ]); } $this->byDay = $byDay; } }