C# (CSharp) ICurrencyFacade примеры использования

Пример #1

 public ProductController(ILogger <ProductController> logger, IDataAccess <Product> productService, ICurrencyFacade currencyFacade)
 {
     _logger         = logger;
     _productService = productService;
     _currencyFacade = currencyFacade;
 }

Пример #2

 public CurrencyController(ICurrencyFacade CurrencyFacade)
 {
     _CurrencyFacade = CurrencyFacade;
 }