public virtual DomWriter Prepend()
 {
     if (PreviousSiblingNode == null)
     {
         return(RequireParent().Append());
     }
     return(PreviousSiblingNode.AppendAfter());
 }
        public DomWriter PrependBefore()
        {
            if (PreviousSiblingNode == null)
            {
                return(ParentElement.Prepend());
            }

            return(PreviousSiblingNode.AppendAfter());
        }