anchor.diff:  % Miscellaneous
   %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
   
  +%% @doc Sends changes to a subscribed cyclon process when the neighborhood
  +%%      changes.
  +-spec rm_send_changes(Pid::comm:erl_local_pid(),
  +        OldNeighbors::nodelist:neighborhood(), NewNeighbors::nodelist:neighborhood()) -> ok.
  +rm_send_changes(Pid, _OldNeighbors, NewNeighbors) ->
  +    comm:send_local(Pid, {rm_changed, nodelist:node(NewNeighbors)}).
  +
   %% @doc Checks whether config parameters of the cyclon process exist and are
   %%      valid.
   -spec check_config() -> boolean().
  
positive.code:                  ({activate_cyclon}, state_inactive()) -> {'$gen_component', [{on_handler, Handler::on_active}], State::state_active()}.
  on_inactive({activate_cyclon}, {inactive, QueuedMessages, TriggerState}) ->
      log:log(info, "[ Cyclon ~.0p ] activating...~n", [comm:this()]),
      rm_loop:subscribe(self()),
      request_node_details([node, pred, succ]),
      comm:send_local_after(100, self(), {check_state}),
      TriggerState2 = trigger:now(TriggerState),
  
negative.code: % functions gen_component, the trigger and the config module use
  -export([init/1, on_inactive/2, on_active/2,
           activate/0, deactivate/0,
           get_shuffle_interval/0,
           rm_send_changes/3,
           check_config/0]).
  
  % helpers for creating getter messages:
  -export([get_subset_rand/1, get_subset_rand_next_interval/1]).
  