# Microsoft.AspNetCore.Mvc.Infrastructure

``` diff
 namespace Microsoft.AspNetCore.Mvc.Infrastructure {
     public abstract class ConfigureCompatibilityOptions<TOptions> : IPostConfigureOptions<TOptions> where TOptions : class, IEnumerable<ICompatibilitySwitch> {
-        public virtual void PostConfigure(string name, TOptions options);
+        public virtual void PostConfigure(string? name, TOptions options);
     }
 }
```

