Feedback - improve trimming.

Author: ilonatommy

src/Components/Endpoints/src/DependencyInjection/HttpNavigationManager.cs

@@ -2,13 +2,15 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 
 using Microsoft.AspNetCore.Components.Routing;
+using System.Diagnostics.CodeAnalysis;
 
 namespace Microsoft.AspNetCore.Components.Endpoints;
 
 internal sealed class HttpNavigationManager : NavigationManager, IHostEnvironmentNavigationManager
 {
     private const string _enableThrowNavigationException = "Microsoft.AspNetCore.Components.Endpoints.NavigationManager.EnableThrowNavigationException";
 
+    [FeatureSwitchDefinition("Microsoft.AspNetCore.Components.Endpoints.NavigationManager.EnableThrowNavigationException")]
     private static bool _throwNavigationException =>
         AppContext.TryGetSwitch(_enableThrowNavigationException, out var switchValue) && switchValue;
 

src/Components/Server/src/Circuits/RemoteNavigationManager.cs

@@ -18,6 +18,8 @@ internal sealed partial class RemoteNavigationManager : NavigationManager, IHost
     private IJSRuntime _jsRuntime;
     private bool? _navigationLockStateBeforeJsRuntimeAttached;
     private const string _enableThrowNavigationException = "Microsoft.AspNetCore.Components.Endpoints.NavigationManager.EnableThrowNavigationException";
+
+    [FeatureSwitchDefinition("Microsoft.AspNetCore.Components.Endpoints.NavigationManager.EnableThrowNavigationException")]
     private static bool _throwNavigationException =>
         AppContext.TryGetSwitch(_enableThrowNavigationException, out var switchValue) && switchValue;
     private Func<string, Task>? _onNavigateTo;