public Tree(ClassFields value)
 {
     Value  = value;
     Childs = new List <Tree>();
 }
        public Tree(ClassFields value)
        {
            Value = value;
            Childs = new List<Tree>();

        }
 public Tree(ClassFields value, List <Tree> childs)
 {
     Value  = value;
     Childs = childs;
 }
        public Tree(ClassFields value, List<Tree> childs)
        {
            Value = value;
            Childs = childs;

        }