anchor.diff:      ddoc_keys = [],
       prompt_fun,
       set_timeout_fun,
  -    stop_fun
  +    stop_fun,
  +    t0 = os:timestamp()
   }).
   
   start_link() ->
  
positive.code: 
  get_proc_count() ->
      gen_server:call(?MODULE, get_proc_count).
  
  init([]) ->
      process_flag(trap_exit, true),
  
negative.code: -export([init/1, handle_call/3, handle_cast/2, handle_info/2, terminate/2, 
      code_change/3]).
  
  -export([
      start_link/0,
      get_proc_count/0,
      get_stale_proc_count/0,
      new_proc/1,
      reload/0
  ]).
  
  % config_listener api
  -export([handle_config_change/5]).
  