anchor.diff:      {_, Val} = value_gen_with_size_groups(VS, VSG),
       {NextUrl, S2} = next_url(State),
       Url = url(NextUrl, Key, State#state.path_params),
  -    case do_put_v4_chunk(Url, [], Val, AWSChunkSize, AWSChunkNoHash) of
  +    case do_put_v4_chunk(Url, [], Val, AWSChunkSize, AWSChunkNoHash, RetryOnOL) of
           ok ->
               case CI of
                   true ->
  
positive.code:             {error, Reason, S2}
      end;
  
  run(getv4, KeyGen, _ValueGen, #state{check_integrity = CI, id = Id, concurrent = Concurrent} = State) ->
      Key = keygen_global_uniq(CI, Id, Concurrent, KeyGen),
      {NextUrl, S2} = next_url(State),
      case do_get_v4(url(NextUrl, Key, State#state.path_params)) of
          {not_found, _Url} ->
              {ok, S2};
          {ok, _Url, _Headers, Body} ->
  
negative.code: %%            {error, Reason}
  %%     end.
  
  do_delete(Url, RetryOnOL) ->
      TS = leo_date:now(),
      case send_request(Url, [{"date", leo_http:rfc1123_date(TS)}, {'Authorization', gen_sig("DELETE", Url, TS)}], delete, [], [{response_format, binary}]) of
          {ok, "404", _Headers, _Body} ->
  