protected function addShippingMethodsFromCarrier($carrierCode, Mage_Shipping_Model_Carrier_Abstract $model)
    {
        $carrierTitle = $this->getCarrierTitle($model);
        foreach ((array) $model->getAllowedMethods() as $methodCode => $method) {
            $this->storeShippingMethodInfo(
                $carrierCode . '_' . $methodCode,
                $this->buildNameString($carrierTitle, $method)
            );
        }
    }