# Microsoft.AspNetCore.Http.Features

``` diff
 namespace Microsoft.AspNetCore.Http.Features {
-    public class FeatureCollection : IEnumerable, IEnumerable<KeyValuePair<Type, object>>, IFeatureCollection
+    [DebuggerDisplayAttribute("Count = {GetCount()}")]
+    [DebuggerTypeProxyAttribute(typeof(FeatureCollection.FeatureCollectionDebugView))]
+    public class FeatureCollection : IEnumerable, IEnumerable<KeyValuePair<Type, object>>, IFeatureCollection
 }
```

