anchor.diff:  run_cmd(Pid, pause) ->
       amoc_throttle_process:pause(Pid);
   run_cmd(Pid, resume) ->
  -    amoc_throttle_process:resume(Pid).+    amoc_throttle_process:resume(Pid).
  
positive.code: 
  start_throttle_process(Name, Interval, Rate) ->
      {ok, Pid} = amoc_throttle_process:start(Name, Interval, Rate),
      pg2:join(Name, Pid).
  
  update_throttle_processes([Pid], Interval, Rate, 1) ->
      amoc_throttle_process:update(Pid, Interval, Rate);
  
negative.code:                      {reply, ok, state()} |
                       {reply, {error, any()}, state()}.
  handle_call({start_processes, Name, Rate, Interval, NoOfProcesses}, _From, State) ->
      case pg:get_members(Name) of
          [] ->
              RealNoOfProcesses = start_processes(Name, Rate, Interval, NoOfProcesses),
              {reply, {ok, started},
               State#{Name => #throttle_info{rate = Rate, interval = Interval, active = true,
  