public FileDownloadController(IServerFileUtility serverFileUtility, IDocumentsService documentsService)
 {
     _serverFileUtility = serverFileUtility;
     _documentsService  = documentsService;
 }
 public DocumentsController(IDocumentsService documentsService, IServerFileUtility serverFileUtility)
 {
     _documentsService  = documentsService;
     _serverFileUtility = serverFileUtility;
 }