class QuestionServiceImpl implements QuestionService {

    @Override
    public Optional<QuestionResource> getPreviousQuestionBySection(Long sectionId) {
        return questionRestService.getPreviousQuestionBySection(sectionId).getOptionalSuccessObject();
    }

    public  QuestionServiceImpl(QuestionRestService questionRestService,
                               QuestionStatusRestService questionStatusRestService,
                               UserRestService userRestService);

}