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

Framework/Foundation/Lifecycles/AppService.cs

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+using Mediator;
+using Microsoft.Extensions.Hosting;
+
+namespace Toolkit.Foundation;
+
+public class AppService : IHostedService
+{
+    private readonly IMediator mediator;
+
+    public AppService(IMediator mediator)
+    {
+        this.mediator = mediator;
+    }
+
+    public async Task StartAsync(CancellationToken cancellationToken)
+    {
+        await mediator.Send(new Initialize());
+        await mediator.Send(new Initialized());
+    }
+
+    public Task StopAsync(CancellationToken cancellationToken)
+    {
+        return Task.CompletedTask;
+    }
+}

Framework/Foundation/Lifecycles/ICache.cs

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+namespace Toolkit.Foundation;
+
+public interface ICache
+{
+
+}

Framework/Foundation/Lifecycles/IInitializable.cs

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+namespace Toolkit.Foundation;
+
+public interface IInitializable
+{
+    Task InitializeAsync();
+}

Framework/Foundation/Lifecycles/IInitialization.cs

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+namespace Toolkit.Foundation;
+
+public interface IInitialization
+{
+    Task InitializeAsync();
+}

Framework/Foundation/Lifecycles/Initialization.cs

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+using System.Diagnostics;
+
+namespace Toolkit.Foundation;
+
+public class Initialization : IInitialization
+{
+    private readonly Func<IEnumerable<IInitializable?>> factory;
+
+    public Initialization(Func<IEnumerable<IInitializable?>> factory)
+    {
+        this.factory = factory;
+    }
+
+    public async Task InitializeAsync()
+    {
+        foreach (IInitializable? initializer in factory())
+        {
+            if (initializer is not null)
+            {
+                Trace.WriteLine(initializer.GetType());
+                await initializer.InitializeAsync();
+                Trace.WriteLine("Done");
+            }
+        }
+    }
+}

Framework/Foundation/Lifecycles/Initialize.cs

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+using Mediator;
+
+namespace Toolkit.Foundation;
+
+public record Initialize : IRequest;

Framework/Foundation/Lifecycles/InitializeHandler.cs

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+using Mediator;
+
+namespace Toolkit.Foundation;
+
+public class InitializeHandler : IRequestHandler<Initialize>
+{
+    private readonly IInitialization initialization;
+
+    public InitializeHandler(IInitialization initialization)
+    {
+        this.initialization = initialization;
+    }
+
+    public async ValueTask<Unit> Handle(Initialize request, CancellationToken cancellationToken)
+    {
+        await initialization.InitializeAsync();
+        return default;
+    }
+}

Framework/Foundation/Lifecycles/Initialized.cs

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+using Mediator;
+
+namespace Toolkit.Foundation;
+
+public record class Initialized : IRequest;