anchor.diff:  
   %% Application callbacks
   -export([start/2, stop/1]).
  +-export([print_welcome/0]).
   
   %%=============================================================================
   %% Application callbacks
  
positive.code: -spec stop(any()) -> 'ok'.
  stop(_State) ->
      ok.
  
negative.code:                         fun vffov_utils:process_sizes/0, 6000),
              ok = statman_server:add_subscriber(statman_aggregator),
  
              print_welcome(),
  
              {ok, Pid};
          {error, Reason} ->
              {error, Reason}
  