[Android.Runtime.Register("onDescendantInvalidated", 
   "(Landroid/view/View;Landroid/view/View;)V", 
   "GetOnDescendantInvalidated_Landroid_view_View_Landroid_view_View_Handler")]
public virtual void OnDescendantInvalidated( 
   Android.Views.View child,
   Android.Views.View target
)