Dependency Injection in ASP.NET Core Middleware

    public async static Task (this IApplicationBuilder app)
    {
        app.ApplicationServices.GetRequiredService<ObjectAccessor<IApplicationBuilder>>();
    }

{
    public interface IApplicationBuilder
    {
        IFeatureCollection ServerFeatures { get; }
        
        IDictionary<string, object?> Properties { get; }
        
        RequestDelegate Build();
        
        IApplicationBuilder New();
        
        IApplicationBuilder Use(Func<RequestDelegate, RequestDelegate> middleware);
    }