anchor.diff:  % 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, check_config/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]).
  
positive.code: % Miscellaneous
  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  
  %% @doc Checks whether config parameters of the cyclon process exist and are
  %%      valid.
  -spec check_config() -> boolean().
  
negative.code: % accepted messages of an active cyclon process
  -type(message() ::
      {cy_shuffle} |
      {rm_changed, NewNode::node:node_type()} |
      {check_state} |
      {cy_subset, SourcePid::comm:mypid(), PSubset::cyclon_cache:cache()} |
      {cy_subset_response, QSubset::cyclon_cache:cache(), PSubset::cyclon_cache:cache()} |
  