namespace Security;
public interface IPrintable
{
    void Process();
}
public interface IEncryptable
{
    void Process();
}
public class TopSecretBriefing : IPrintable, IEncryptable
{
    void IPrintable.Process()
    {
        Console.WriteLine("Printing physical copy...");
    }
    void IEncryptable.Process()
    {
        Console.WriteLine("Encrypting digital file...");
    }
}