using System;

using System.Collections.Generic;           

​

public class Program

{

    public enum PolicyType

    {

        TeamsAndChannelsPolicy,

        TeamsTemplatePolicy,

    }

    public static void Main()

    {

        ISet<PolicyType> Include = new HashSet<PolicyType>();

        Include.Add(PolicyType.TeamsAndChannelsPolicy);

        Include.Add(PolicyType.TeamsAndChannelsPolicy);

        Include.Add(PolicyType.TeamsAndChannelsPolicy);

        Include.Add(PolicyType.TeamsAndChannelsPolicy);

        Console.WriteLine("Include contains {0} item(s)", Include.Count);

        Include.Add(PolicyType.TeamsTemplatePolicy);

        Include.Add(PolicyType.TeamsTemplatePolicy);

        Include.Add(PolicyType.TeamsTemplatePolicy);

        Include.Add(PolicyType.TeamsTemplatePolicy);

​

        Console.WriteLine("Include contains {0} item(s)", Include.Count);

    }

}