anchor.diff:                          true ->
                               fetch_dir_children(FileId, ChildrenLimit)
                       end,
  -                    {<<"dir">>, 0, ChildrenList, TotalCount};
  +                    {<<"dir">>, null, ChildrenList, TotalCount};
                   _ ->
                       {<<"file">>, SizeAttr, [], 0}
               end,
  
positive.code:         {<<"type">>, <<"dir">>},
          {<<"permissions">>, 0},
          {<<"modificationTime">>, 0},
          {<<"size">>, 0},
          {<<"totalChildrenCount">>, 1},
          {<<"parent">>, null},
          {<<"children">>, [op_gui_utils:ids_to_association(ShareId, RootFile)]},
  
negative.code:         {<<"type">>, <<"dir">>},
          {<<"permissions">>, 0},
          {<<"modificationTime">>, 0},
          {<<"size">>, null},
          {<<"totalChildrenCount">>, 1},
          {<<"parent">>, null},
          {<<"children">>, [op_gui_utils:ids_to_association(ShareId, FileId)]},
  