public function exportPaymentTo(Mage_Sales_Model_Quote_Payment $payment)
{
$resource = $this->getPayment();
if (!$resource->getMethod()) {
return $this;
}
$countryId = $this->getAddress()->getCountryId();
$payment->setMethod($resource->getMethod());
$method = $payment->getMethodInstance();
if (!$method->isAvailable($payment->getQuote()) || !$method->canUseForCountry($countryId)) {
$payment->unsMethod();
}
return $this;
}