using System.Collections.Generic;

namespace zero.Core.Identity
{
  public class PermissionGroupCollection : List<PermissionCollection>
  {
    public void Add<T>(int index = -1) where T : PermissionCollection, new()
    {
      if (index > -1 && index < Count)
      {
        Insert(index, new T());
      }
      else
      {
        Add(new T());
      }
    }
  }
}