public function apply(OrderProduct $item, mixed ...$arguments): ?DiscountReturnObject 	{ 		[, $points] = $arguments; 		// // treba napraviti logiku, ideja je da se ovdje passa Customer 		// if ($discount = $this->isDiscountApplicable($item)) { 		// 	return $this->calculate($item, $discount)->details($discount)->end(); 		// }  		return null; 	}