docs: @Override
      public void handleEvent(Event event) {
          String topic = event.getTopic();
          if (topic.equalsIgnoreCase(ChannelFramework.EVENT_STOPCHAIN.getName())) {
              String chainName = event.getProperty(ChannelFramework.EVENT_CHAINNAME, String.class);
              if (null != chainName) {
                  stopChain(chainName, event);
              } else {
                  String channelName = event.getProperty(ChannelFramework.EVENT_CHANNELNAME, String.class);
                  if (null != channelName) {
                      stopChannel(channelName, event);
                  }
              }
          } else if (topic.equalsIgnoreCase(EVENT_CHECK_MISSING.getName())) {
              ChannelUtils.checkMissingConfig();
          }
      }