ParameterNode(TemplateNode children, TemplateNode next, String name, Expr select, boolean global)
ParameterNode(String name, Expr select, boolean global)
  ParameterNode(TemplateNode children, TemplateNode next,                String name, Expr select, boolean global)  {    super(children, next);    this.name = name;    this.select = select;    this.global = global;  }