public function getClassProperties()
    {
        return [
            'type' => $this->getType(),
            'quantity' => $this->getQuantity(),
            'name' => $this->getName(),
            'number' => $this->getNumber(),
            'price' => $this->getPrice(),
            'vatRateIdentifier' => $this->getVatRateIdentifier(),
            'attributes' => $this->getAttributes(),
        ];
    }
public function getClassProperties()
    {
        return [
            'type' => $this->getType(),
            'quantity' => $this->getQuantity(),
            'name' => $this->getName(),
            'number' => $this->getNumber(),
            'price' => $this->getPrice(),
            'vatRateIdentifier' => $this->getVatRateIdentifier(),
            'attributes' => $this->getAttributes(),
        ];
    }
{@inheritdoc}