Imported Upstream version 6.4.0.137

Former-commit-id: 943baa9f16a098c33e129777827f3a9d20da00d6

external/illinker-test-assets/wasm/HelloWorld/Startup.cs

@@ -0,0 +1,17 @@
+using Microsoft.AspNetCore.Components.Builder;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace HelloWorld
+{
+    public class Startup
+    {
+        public void ConfigureServices(IServiceCollection services)
+        {
+        }
+
+        public void Configure(IComponentsApplicationBuilder app)
+        {
+            app.AddComponent<App>("app");
+        }
+    }
+}