anchor.diff:      LinkedUnitContext context,
       ClassTypeAlias node,
     ) {
  -    var lazy = LazyClassTypeAlias.get(node);
  -    if (lazy != null) {
  -      var lazy = get(node);
  +    var lazy = get(node);
  +    if (lazy != null) {
         return context.getInformativeData(lazy.data)?.codeOffset ?? 0;
       }
       return node.offset;
  
positive.code:     LinkedUnitContext context,
      EnumDeclaration node,
    ) {
      var lazy = LazyEnumDeclaration.get(node);
      if (lazy != null) {
        var lazy = get(node);
        return context.getInformativeData(lazy.data)?.codeLength ?? 0;
      }
      return node.length;
  
negative.code:     LinkedUnitContext context,
      FunctionTypeAlias node,
    ) {
      var lazy = get(node);
      if (lazy != null) {
        return context.getInformativeData(lazy.data)?.codeLength ?? 0;
      }
      return node.length;
  