public RefundRemovedLearningAimProcessor(IRefundRemovedLearningAimService refundRemovedLearningAimService, IPaymentLogger logger, IMapper mapper, IPeriodisedRequiredPaymentEventFactory requiredPaymentEventFactory)
 {
     this.refundRemovedLearningAimService = refundRemovedLearningAimService ?? throw new ArgumentNullException(nameof(refundRemovedLearningAimService));
     this.logger = logger ?? throw new ArgumentNullException(nameof(logger));
     this.mapper = mapper ?? throw new ArgumentNullException(nameof(mapper));
     this.requiredPaymentEventFactory = requiredPaymentEventFactory ?? throw new ArgumentNullException(nameof(requiredPaymentEventFactory));
 }