# Microsoft.AspNetCore.Mvc.ApiExplorer

``` diff
 namespace Microsoft.AspNetCore.Mvc.ApiExplorer {
-    public class DefaultApiDescriptionProvider : IApiDescriptionProvider
+    [RequiresUnreferencedCodeAttribute("DefaultApiDescriptionProvider is used by MVC which does not currently support trimming or native AOT.", Url="https://aka.ms/aspnet/trimming")]
+    public class DefaultApiDescriptionProvider : IApiDescriptionProvider
 }
```

