[Fact] public async Task SupportsUnusedRouteParametersFromMinimalApis() { var source = """ using System; using System.Threading.Tasks; using System.Collections.Generic; using Microsoft.AspNetCore.Builder; using Microsoft.Extensions.DependencyInjection; using Microsoft.AspNetCore.Http;  var builder = WebApplication.CreateBuilder();  builder.Services.AddOpenApi();  var app = builder.Build();  app.MapGet("/{userId}", RouteHandlerExtensionMethods.Get);  app.Run();  public static class RouteHandlerExtensionMethods {  /// <param name="userId">The id of the user.</param>  public static string Get()  {  return "Hello, World!";  } } """; var generator = new XmlCommentGenerator(); await SnapshotTestHelper.Verify(source, generator, out var compilation); await SnapshotTestHelper.VerifyOpenApi(compilation, document => { var path = document.Paths["/{userId}"].Operations[HttpMethod.Get]; Assert.NotEmpty(path.Parameters); Assert.Equal("The id of the user.", path.Parameters[0].Description); }); }