anchor.diff:  code_change(_OldVsn, State, _Extra) ->
       {ok, State}.
   
  +
  +%% Internal functions
   combine_stats(N, New, Existing) ->
       dict:merge(fun val_sum/3, dict:map(fun (_K, V) ->
                                          lists:map(fun to_int/1, V) end,
  
positive.code: classify("binding_protocol") -> false;
  classify(_) -> true.
  
  %
  % API
  %
  
negative.code:                               lists:member(B, Buckets) and
                                    lists:member({H, P}, Servers)
                            end, OldTopkeys),
      Now = erlang:now(),
      Cache = dict:filter(fun (_K, {TS, _V}) -> timer:now_diff(Now, TS) < ?CACHE_MAXAGE end,
                          State#state.cache),
      {noreply, State#state{vals=Vals, topkeys=Topkeys, cache=Cache}};
  handle_info(Info, State) ->
      error_logger:info_msg("Just received ~p~n", [Info]),
      {noreply, State}.
  