public static void Main()
Console.WriteLine("Hello World");
IBar testA = new TestA();
IBar testB = new TestB();
Console.WriteLine(testA.GetType());
Console.WriteLine(testB.GetType());
Console.WriteLine(a.GetType());
Console.WriteLine(b.GetType());
public void Bar() => Console.WriteLine("Foo");
public void Bar() => Console.WriteLine("Foo");
void Bar() => Console.WriteLine("Bar");