public function updateGuestShippingAddressAsyncWithHttpInfo($checkout_session_id, $x_ebay_c_marketplace_id, $shipping_address_impl = null)
    {
        $returnType = '\TNT\Ebay\Buy\Order\V2\Model\GuestCheckoutSessionResponseV2';
        $request = $this->updateGuestShippingAddressRequest($checkout_session_id, $x_ebay_c_marketplace_id, $shipping_address_impl);