anchor.diff:  -spec web_debug_info(state()) ->
       {KeyValueList::[{Key::string(), Value::any()},...], state()}.
   web_debug_info(State) ->
  +    %% web_debug_info (msg)
       {[{"Key", "Value"}], State}.
   
   
  
positive.code: %%      of them are ignored, as cyclon doesn't use / implements this features.
  -spec notify_change(_, _, State::state()) -> {ok, state()}.
  notify_change(_, _, State) ->
      {ok, State}.
  
  
  
negative.code: %%      Called by the gossip module upon {get_values_best} messages.
  -spec get_values_best(State::state()) -> {ok, state()}.
  get_values_best(State) ->
      %% use to implement get_subset_rand() api functions??
      {ok, State}.
  
  
  