protected IHR(IHR original, Cloner cloner) : base(original, cloner) { }
protected IHR(IHR original, Cloner cloner) : base(original, cloner) { }
protected IHR(IHR original, Cloner cloner) : base(original, cloner) { }
protected IHR(IHR original, Cloner cloner) : base(original, cloner) { }