using System;

using System.Collections.Generic;

using System.Linq;

public class Program

{

    enum UserPermission { Permission1, Permission2 }

    interface IUserRole

    {

        bool HasPermission(UserPermission perm);

    }

    class NormalUser : IUserRole

    {

        private static readonly List<UserPermission> _permissions = new() 

        {

            UserPermission.Permission1 

        };

        public bool HasPermission(UserPermission perm)

        {

            return _permissions.Any(x => x == perm);

        }

    }

    class Administrator : IUserRole

    {

        private static readonly List<UserPermission> _permissions = new() 

        {

            UserPermission.Permission1,

            UserPermission.Permission2

        };

        public bool HasPermission(UserPermission perm)

        {

            return _permissions.Any(x => x == perm);

        }

    }

    public static void Main()

    {

        IUserRole role = new Administrator();

        var hasPermission = role.HasPermission(UserPermission.Permission1);

        Console.WriteLine($"Has Permission: {hasPermission}");

    }

}