public function setShippingInfo(array $shippingInfo)
    {
        $shippingInfo = [
          'shippingType'     => $this->sanitizeNumber($shippingInfo, 'shippingType'),
          'shippingCost'     => $this->sanitizeMoney($shippingInfo, 'shippingCost'),
        ];

        $this->validateShippingInfo($shippingInfo);
        $this->shippingInfo = $shippingInfo;

        return $this;
    }