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DaSaSo.Wpf/HostBuilders/AddStoresHostBuilderExtensions.cs

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+using DaSaSo.ViewModel.Interface;
+using DaSaSo.ViewModel.State.ActualState;
+using DaSaSo.ViewModel.State.Navigation;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Hosting;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DaSaSo.Wpf.HostBuilders
+{
+    public static class AddStoresHostBuilderExtensions
+    {
+        public static IHostBuilder AddStores(this IHostBuilder host)
+        {
+            host.ConfigureServices(services =>
+            {
+                services.AddSingleton<IActualProject, ActualProject>();
+                services.AddSingleton<IMainWindowNavigator, MainWindowNavigator>();
+                services.AddSingleton<ISewerMainNavigator, SewerMainNavigator>();
+            });
+            return host;
+        }
+    }
+}