docs: private void removeOverlappingSubscriptionEvents(final LinkedList<SubscriptionEvent> events) {
          final Iterator<SubscriptionEvent> iterator = events.iterator();
          final Map<String, DefaultSubscriptionEvent> prevPerService = new HashMap<String, DefaultSubscriptionEvent>();
          while (iterator.hasNext()) {
              final DefaultSubscriptionEvent current = (DefaultSubscriptionEvent) iterator.next();
              final DefaultSubscriptionEvent prev = prevPerService.get(current.getServiceName());
              if (prev != null) {
                  if (current.overlaps(prev)) {
                      iterator.remove();
                  } else {
                      prevPerService.put(current.getServiceName(), current);
                  }
              } else {
                  prevPerService.put(current.getServiceName(), current);
              }
          }
      }