# Microsoft.AspNetCore.Server.IIS

``` diff
 {
     namespace Microsoft.AspNetCore.Builder {
         public class IISServerOptions {
+            public bool AllowSynchronousIO { get; set; }
+            public long? MaxRequestBodySize { get; set; }
         }
     }
-    namespace Microsoft.AspNetCore.Http.Features {
 {
-        public interface IServerVariablesFeature {
 {
-            string this[string variableName] { get; set; }

-        }
-    }
     namespace Microsoft.AspNetCore.Server.IIS {
+        public sealed class BadHttpRequestException : IOException {
+            public int StatusCode { get; }
+        }
     }
 }
```

