anchor.diff:  -spec get_check_timeslots_interval() -> 10000.
   get_check_timeslots_interval() ->
       10 * 1000. % every 10s
  +
  +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  +%% Convenience API
  +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  +
  +%% @doc Get the available RRD keys
  +-spec get_rrd_keys() -> [table_index()].
  +get_rrd_keys() ->
  +    Monitor = case pid_groups:get_my(monitor) of
  +        failed -> pid_groups:find_a(monitor);
  +        M -> M
  +    end,
  +    get_rrd_keys(Monitor).
  +
  +-spec get_rrd_keys(comm:erl_local_pid()) -> [table_index()].
  +get_rrd_keys(MonitorPid) ->
  +    comm:send_local(MonitorPid, {get_rrd_keys, self()}),
  +    receive
  +        {get_rrd_keys, Keys} -> Keys
  +    after 2000 ->
  +            timeout
  +    end
  +    .
  
positive.code:                   Value -> {Process, Key, Value}
                end || {Process, Key} = TableIndex <- TableIndexes],
      comm:send(SourcePid, {get_rrds_response, MyData}),
      State;
  
  on({web_debug_info, Requestor}, {Table, _ApiTxReqList} = State) ->
  
negative.code: % reporting to the monitor for manually-maintained rrd records
  -export([check_report/4]).
  
  -export([get_rrds/2
           , get_rrd_keys/0
           , get_rrd_keys/1
          ]).
  
  -ifdef(with_export_type_support).
  -export_type([key/0]).
  