anchor.diff:              ok
       end,
       ok.
  +
  +-spec event_send(event_type(),
  +                 Key :: key(),
  +                 EventData :: list(data() | value()),
  +                 Service :: cloudi_service:source()) ->
  +    any().
   
   event_send(assign, Key, [Data, ValueNew], Service) ->
       case maps:find(Key, Data) of
  
positive.code:                 ok
          end
      end, ok, Events),
      ok.
  
  event(EventType, Key, EventData, Events, Service) ->
  
negative.code:           Events, Service),
      maps:new().
  
  -spec event(EventType :: clear,
              EventData :: list(data()),
              Events :: events(),
              Service :: cloudi_service:source()) ->
      ok.
  
  event(EventType, EventData, Events, Service) ->
      maps:fold(fun(Key, EventTypes, _) ->
          case lists:member(EventType, EventTypes) of
  