anchor.diff:      ],
       CanonicalQueryString = nklib_util:bjoin(lists:sort(NormalizedQS), <<"&">>),
       Method = nklib_util:to_upper(maps:get(method, Config, <<"GET">>)),
  -    Path = to_bin(maps:get(path, Config, <<"/">>)),
  +    Path = maps:get(path, Config, <<"/">>),
       Request = [
           Method, $\n,
           Path, $\n,
  
positive.code: -spec request_v4_tmp(request_v4_config()) ->
      {Method::binary(), Url::binary()}.
  
  request_v4_tmp(#{ttl:=Secs}=Config) ->
      Expires = to_bin(nklib_date:epoch(secs) + Secs),
      Method = nklib_util:to_upper(maps:get(method, Config, <<"GET">>)),
      Path = maps:get(path, Config, <<"/">>),
  
negative.code: 
  value_to_string(String) when is_list(String) ->
      unicode:characters_to_binary(String).
  
  
  %% @private
  