public void Remove(string contentName, int index)
        {
            IncludeContent content = this.GetContent(contentName);

            if (content != null)
            {
                content.Remove(index);
            }
        }
        public void Remove(string contentName, IncludeItem item)
        {
            IncludeContent content = this.GetContent(contentName);

            if (content != null)
            {
                content.Remove(item);
            }
        }
 public void Remove(int index)
 {
     _default.Remove(index);
 }