text: using Microsoft.AspNetCore.Components.Builder;
  using Microsoft.Extensions.DependencyInjection;
  
  namespace SampleApp
  {
      public class Startup
      {
          public void ConfigureServices(IServiceCollection services)
          {
          }
  
          public void Configure(IComponentsApplicationBuilder app)
          {
              app.AddComponent<App>("app");
          }
      }
  }
  