Wrap FluentAvalonia controls within same named classes allowing us to declare the xmlns namespace in our assembly

Framework/Foundation/Configurations/WriteHandler.cs

@@ -0,0 +1,29 @@
+using Mediator;
+
+namespace Toolkit.Foundation;
+
+public class WriteHandler<TConfiguration> : IRequestHandler<Write<TConfiguration>> where TConfiguration : class
+{
+    private readonly IMediator mediator;
+    private readonly TConfiguration configuration;
+    private readonly IConfigurationWriter<TConfiguration> writer;
+
+    public WriteHandler(TConfiguration configuration,
+        IConfigurationWriter<TConfiguration> writer,
+        IMediator mediator)
+    {
+        this.mediator = mediator;
+        this.configuration = configuration;
+        this.writer = writer;
+    }
+
+    public async ValueTask<Unit> Handle(Write<TConfiguration> request, CancellationToken cancellationToken)
+    {
+        request.UpdateDelegate.Invoke(configuration);
+        writer.Write(request.Section, configuration);
+
+        await mediator.Send(new ConfigurationChanged<TConfiguration>(configuration), cancellationToken);
+
+        return default;
+    }
+}