}
}
+namespace Foo {
+
+ // Trick: this class is called System. but we are going to use the using alias to
+ // reference the real system.
+ class System {
+ static void X() {
+ System2.Console.WriteLine("FOO");
+ }
+ }
+}
+
class App {
public static int Main () {
A.B.C.Hola ();