anchor.diff:                                       mtime_i = {MTime, 0},
                                        access = Access,
                                        toggle = Toggle},
  -                        {ReplaceHit1, Replace1, FilesSize2,
  +                        {ReplaceHit2, Replace1, FilesSize2,
                            file_add_read(FileName, File, Files1,
                                          UseHttpGetSuffix, Prefix,
                                          Dispatcher)};
  
positive.code:                                    FilesSizeLimit div 1024]),
                          {ReplaceHit1, Replace1, FilesSize1, Files1};
                      {error, _} when Write =:= [] ->
                          % file was removed during traversal
                          {Replace2,
                           ReplaceHit2} = replace_remove(FileName,
                                                         Replace1,
  
negative.code:     ReplaceHit;
  replace_add(FileName,
              #lfuda{age = Age}, ReplaceHit) ->
      cloudi_x_trie:update(FileName, fun(Value) ->
          Value
      end, {Age, 0}, ReplaceHit).
  
  replace_remove(_, undefined, ReplaceHit) ->
      ReplaceHit;
  