docs: private SubscriptionEvent[] findPrevNext(final List<SubscriptionEvent> events, final UUID targetEntitlementId, final SubscriptionEvent insertionEvent) {
          // Find prev/next event for the same entitlement
          final SubscriptionEvent[] result = new DefaultSubscriptionEvent[2];
          if (insertionEvent == null) {
              result[0] = null;
              result[1] = !events.isEmpty() ? events.get(0) : null;
              return result;
          }
  
          final Iterator<SubscriptionEvent> it = events.iterator();
          DefaultSubscriptionEvent prev = null;
          DefaultSubscriptionEvent next = null;
          boolean foundCur = false;
          while (it.hasNext()) {
              final DefaultSubscriptionEvent tmp = (DefaultSubscriptionEvent) it.next();
              if (tmp.getEntitlementId().equals(targetEntitlementId)) {
                  if (!foundCur) {
                      prev = tmp;
                  } else {
                      next = tmp;
                      break;
                  }
              }
              // Check both the id and the event type because of multiplexing
              if (tmp.getId().equals(insertionEvent.getId()) &&
                  tmp.getSubscriptionEventType().equals(insertionEvent.getSubscriptionEventType())) {
                  foundCur = true;
              }
          }
          result[0] = prev;
          result[1] = next;
          return result;
      }