anchor.diff:  
   code_change(_OldVsn, State, _Extra) ->
       {ok, State}.
  +
  +format_status(normal, [_PDict, State=#state{}]) ->
  +  [{data, [{"State", State}]}];
  +format_status(terminate, [_PDict, State]) ->
  +  %% Do not format the rows attribute when process terminates abnormally
  +  %% but allow it when is a sys:get_status/1.2
  +  State#state{rows = information_redacted}.
   
   %% -- internal functions --
   
  
positive.code:                 current_cmd_transport :: transport() | undefined,
                  async :: undefined | atom() | pid(),
                  parameters = [] :: [{Key :: binary(), Value :: binary()}],
                  rows = [] :: [tuple()],
                  results = [],
                  sync_required :: boolean() | undefined,
                  txstatus :: byte() | undefined,  % $I | $T | $E,
  
negative.code:          copy_send_rows/3,
           standby_status_update/3]).
  
  -export([handle_call/3, handle_cast/2, handle_info/2, format_status/2]).
  -export([init/1, code_change/3, terminate/2]).
  
  %% loop callback
  