@Override
    public boolean wants(NotificationDto<? extends IVersionedApimanEvent> notification) {
        String reason = notification.getReason();
        return reason.equals(ContractApprovalNotificationProducer.APIMAN_CONTRACT_APPROVED_REASON)
                       || reason.equals(ContractApprovalNotificationProducer.APIMAN_CONTRACT_REJECTED_REASON);
    }
@author Marc Savy {@literal <marc@blackparrotlabs.io>}
manager/api/rest-impl/src/main/java/io/apiman/manager/api/notifications/email/handlers/ContractApprovalResponseEmailNotification.java