# System.Text.Json

``` diff
 namespace System.Text.Json {
+    public enum JsonSerializerDefaults {
+        General = 0,
+        Web = 1,
+    }
     public sealed class JsonSerializerOptions {
+        public JsonSerializerOptions(JsonSerializerDefaults defaults);
+        public JsonIgnoreCondition DefaultIgnoreCondition { get; set; }
+        public ReferenceHandler ReferenceHandler { get; set; }
-        public ReferenceHandling ReferenceHandling { get; set; }

     }
 }
```

