NamedPermissionSet
Defines a permission set that has a name and description associated with it. This class cannot be inherited.
                using System.Security.Permissions;
namespace System.Security
{
    public sealed class NamedPermissionSet : PermissionSet
    {
        public string Description { get; set; }
        public string Name { get; set; }
        public NamedPermissionSet(NamedPermissionSet permSet)
            : base(PermissionState.None)
        {
        }
        public NamedPermissionSet(string name)
            : base(PermissionState.None)
        {
        }
        public NamedPermissionSet(string name, PermissionState state)
            : base(PermissionState.None)
        {
        }
        public NamedPermissionSet(string name, PermissionSet permSet)
            : base(PermissionState.None)
        {
        }
        public override PermissionSet Copy()
        {
            return null;
        }
        public NamedPermissionSet Copy(string name)
        {
            return null;
        }
        public override bool Equals(object o)
        {
            return base.Equals(o);
        }
        public override void FromXml(SecurityElement et)
        {
        }
        public override int GetHashCode()
        {
            return base.GetHashCode();
        }
        public override SecurityElement ToXml()
        {
            return null;
        }
    }
}