# Microsoft.AspNetCore.SignalR

``` diff
 namespace Microsoft.AspNetCore.SignalR {
     public class HubConnectionContextOptions {
+        public Nullable<long> MaximumReceiveMessageSize { get; set; }
     }
-    public sealed class HubEndpointConventionBuilder : IEndpointConventionBuilder, IHubEndpointConventionBuilder {
 {
-        public void Add(Action<EndpointBuilder> convention);

-    }
-    public interface IHubEndpointConventionBuilder : IEndpointConventionBuilder

 }
```

