# Microsoft.AspNetCore.Http.Features

``` diff
 namespace Microsoft.AspNetCore.Http.Features {
+    public interface IHttpExtendedConnectFeature {
+        [MemberNotNullWhenAttribute(true, "Protocol")]
+        bool IsExtendedConnect { [MemberNotNullWhenAttribute(true, "Protocol")] get; }
+        string Protocol { get; }
+        ValueTask<Stream> AcceptAsync();
+    }
 }
```

