# Microsoft.AspNetCore.Builder

``` diff
 namespace Microsoft.AspNetCore.Builder {
     public static class EndpointRouteBuilderExtensions {
+        public static IEndpointConventionBuilder MapPatch(this IEndpointRouteBuilder endpoints, string pattern, RequestDelegate requestDelegate);
+        public static RouteHandlerBuilder MapPatch(this IEndpointRouteBuilder endpoints, string pattern, Delegate handler);
     }
     public sealed class WebApplication : IApplicationBuilder, IAsyncDisposable, IDisposable, IEndpointRouteBuilder, IHost {
-        IApplicationBuilder IApplicationBuilder.Use(Func<RequestDelegate, RequestDelegate> middleware);

+        public IApplicationBuilder Use(Func<RequestDelegate, RequestDelegate> middleware);
     }
 }
```

