C# (CSharp) IPatrons примеры использования

Пример #1

 public CatalogController(ILibraryAssetService library, ICheckout checkout, IPatrons patrons)
 {
     _assetsService    = library;
     _checkoutsService = checkout;
     _patrons          = patrons;
 }

Пример #2

 public PatronController(IPatrons patrons)
 {
     _patron = patrons;
 }