# Microsoft.AspNetCore.Connections.Features

``` diff
 namespace Microsoft.AspNetCore.Connections.Features {
+    public interface IProtocolErrorCodeFeature {
+        long Error { get; set; }
+    }
+    public interface IStreamDirectionFeature {
+        bool CanRead { get; }
+        bool CanWrite { get; }
+    }
+    public interface IStreamIdFeature {
+        long StreamId { get; }
+    }
 }
```

