docs: public void addEventListeners(MBeanServer server, Map<String, Map<String, Object>> descriptor) {
          for (Map.Entry<String, Map<String, Object>> item : descriptor.entrySet()) {
              Map<String, Object> listener = item.getValue();
  
              // register with server
              ObjectName broadcaster = (ObjectName) listener.get("from");
              try {
                  String eventType = (String) listener.get("event");
  
                  if (eventType != null) {
                      NotificationFilterSupport filter = new NotificationFilterSupport();
                      filter.enableType(eventType);
                      server.addNotificationListener(broadcaster, JmxEventListener.getListener(), filter, listener);
                  } else {
                      server.addNotificationListener(broadcaster, JmxEventListener.getListener(), null, listener);
                  }
              } catch (InstanceNotFoundException e) {
                  throw new JmxBuilderException(e);
              }
          }
      }