static void Main()
{
Console.WriteLine("Proxy pattern\n");
ISubject subject = new Proxy();
Console.WriteLine(subject.Request());
Console.WriteLine(subject.Request());
var protectionProxy = new ProtectionProxy();
Console.WriteLine(protectionProxy.Request());
Console.WriteLine(protectionProxy.Authenticate("Secret"));
Console.WriteLine(protectionProxy.Authenticate("Abracadabra"));
Console.WriteLine(protectionProxy.Request());
}
