# Microsoft.AspNetCore.Components.CompilerServices

``` diff
+namespace Microsoft.AspNetCore.Components.CompilerServices {
+    public static class RuntimeHelpers {
+        public static EventCallback<T> CreateInferredEventCallback<T>(object receiver, Action<T> callback, T value);
+        public static EventCallback<T> CreateInferredEventCallback<T>(object receiver, Func<T, Task> callback, T value);
+        public static T TypeCheck<T>(T value);
+    }
+}
```

