void

src-examples/ProxyInterfaceConsumer/Program.cs

@@ -9,6 +9,7 @@ namespace SourceGeneratorInterface
             PersonProxy p = new PersonProxy(new Person());
             p.Name = "test";
             p.Add("x");
+            p.Void();
             Console.WriteLine(System.Text.Json.JsonSerializer.Serialize(p));
         }
     }