# System.Text.Json

``` diff
 namespace System.Text.Json {
     public sealed class JsonSerializerOptions {
+        public IJsonTypeInfoResolver TypeInfoResolver { [RequiresDynamicCodeAttribute("JSON serialization and deserialization might require types that cannot be statically analyzed and might need runtime code generation. Use System.Text.Json source generation for native AOT applications.")] get; set; }
     }
 }
```

