public AnswerChangedHandler(
     IMapper mapper,
     IAnswersWriteRepository answersWriteRepository)
 {
     _mapper = mapper;
     _answersWriteRepository = answersWriteRepository;
 }
 public QuestionCreatedHandler(
     IMapper mapper,
     IQuestionsWriteRepository questionsWriteRepository,
     IAnswersWriteRepository answersWriteRepository)
 {
     _mapper = mapper;
     _questionsWriteRepository = questionsWriteRepository;
     _answersWriteRepository   = answersWriteRepository;
 }