setSku($sku); $this->setMessage($message); } public function getSku(): string { return $this->sku; } public function setSku(string $sku): ParseProductError { $this->sku = $sku; return $this; } public function getMessage(): string { return $this->message; } public function setMesage(string $message): ParseProductError { $this->message = $message; return $this; } public function toArray(): array { return [ "sku" => $this->getSku(), "message" => $this->getMessage(), ]; } }