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namespace Omnipay\Common\Message;
/**
* Incoming notification
*/
interface NotificationInterface extends MessageInterface
{
const STATUS_COMPLETED = 'completed';
const STATUS_PENDING = 'pending';
const STATUS_FAILED = 'failed';
/**
* Gateway Reference
*
* @return string A reference provided by the gateway to represent this transaction
*/
public function getTransactionReference();
/**
* Was the transaction successful?
*
* @return string Transaction status, one of {@see STATUS_COMPLETED}, {@see #STATUS_PENDING},
* or {@see #STATUS_FAILED}.
*/
public function getTransactionStatus();
/**
* Response Message
*
* @return string A response message from the payment gateway
*/
public function getMessage();
}