using System;
 
public class Device
{
	internal string name;
    public string Name 
    {
    	get { return name;}
    }
 
    private Device()
    {
    }
 
    static internal Device NewDevice()
    {
    	return new Device();
    }
}
 
public class DeviceManager
{
	public static Device OpenDevice()
	{
		Device d = Device.NewDevice();
		d.name = "my friend!";
		return d;
	}
}
 
public class Test
{
 
 
	public static void Main()
	{
		// your code goes here
		Device d = DeviceManager.OpenDevice();
		Console.WriteLine(d.Name);
		d = new Device();
	}
}

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