Add migrated to .NET 8.0 variant of Hcs.Client

Hcs.ClientNet/Client/Api/NsiApi.cs

@@ -0,0 +1,32 @@
+using Hcs.ClientNet.Api.Request.Exception;
+using Hcs.ClientNet.Api.Request.Nsi;
+using Hcs.Service.Async.Nsi;
+using System.Collections.Generic;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace Hcs.ClientNet.Api
+{
+    // http://open-gkh.ru/NsiService/
+    public class NsiApi(ClientBase client) : ApiBase(client)
+    {
+        /// <summary>
+        /// Возвращает данные справочника поставщика информации
+        /// </summary>
+        /// <param name="registryNumber">Реестровый номер справочника</param>
+        /// <param name="token">Токен отмены</param>
+        /// <returns>Данные справочника</returns>
+        public async Task<IEnumerable<NsiItemType>> ExportDataProviderNsiItemAsync(exportDataProviderNsiItemRequestRegistryNumber registryNumber, CancellationToken token = default)
+        {
+            try
+            {
+                var request = new ExportDataProviderNsiItemRequest(client);
+                return await request.ExecuteAsync(registryNumber, token);
+            }
+            catch (NoResultsRemoteException)
+            {
+                return [];
+            }
+        }
+    }
+}