# Microsoft.AspNetCore.WebUtilities

``` diff
 namespace Microsoft.AspNetCore.WebUtilities {
     public class BufferedReadStream : Stream {
+        public override ValueTask<int> ReadAsync(Memory<byte> buffer, CancellationToken cancellationToken);
     }
     public sealed class FileBufferingWriteStream : Stream {
+        public override ValueTask WriteAsync(ReadOnlyMemory<byte> buffer, CancellationToken cancellationToken = default(CancellationToken));
     }
 }
```

