C# (CSharp) IInternetDiscussionRepository примеры использования

Пример #1

 public TopicsForAuthorController(IInternetDiscussionRepository internetDiscussionRepository,
                                  IMapper mapper)
 {
     _internetDiscussionRepository = internetDiscussionRepository ??
                                     throw new ArgumentNullException(nameof(internetDiscussionRepository));
     _mapper = mapper ??
               throw new ArgumentNullException(nameof(mapper));
 }