public AcceptApprenticeshipChangeCommandHandler(
     AbstractValidator <AcceptApprenticeshipChangeCommand> validator,
     IApprenticeshipUpdateRepository apprenticeshipUpdateRepository,
     IApprenticeshipRepository apprenticeshipRepository,
     IMediator mediator,
     IAcceptApprenticeshipChangeMapper mapper,
     IApprenticeshipEvents eventsApi,
     ICommitmentRepository commitmentRepository,
     IHistoryRepository historyRepository)
 {
     _validator = validator;
     _apprenticeshipUpdateRepository = apprenticeshipUpdateRepository;
     _apprenticeshipRepository       = apprenticeshipRepository;
     _mediator             = mediator;
     _mapper               = mapper;
     _eventsApi            = eventsApi;
     _commitmentRepository = commitmentRepository;
     _historyRepository    = historyRepository;
 }