@Override
  public boolean isEventMatching(WatchListEvent event, String subscriber) {
    boolean isWatched = false;

    try {
      // The subscriber's watched users, since each event can be a composite event.
      Collection<String> watchedUsers =
          store.getWatchedElements(subscriber, WatchedElementType.USER);

      isWatched |= store.isWatched(event.getWiki(), subscriber, WatchedElementType.WIKI);
      isWatched |= store.isWatched(event.getPrefixedSpace(), subscriber, WatchedElementType.SPACE);
      isWatched |=
          store.isWatched(event.getPrefixedFullName(), subscriber, WatchedElementType.DOCUMENT);
      isWatched |= CollectionUtils.intersection(watchedUsers, event.getAuthors()).size() > 0;
    } catch (Exception e) {
      logger.error(
          "Failed to determine if an event for the document [{}] is interesting to [{}]",
          event.getDocumentReference(),
          subscriber,
          e);
    }

    return isWatched;
  }
 @Override
 public boolean isEventViewable(WatchListEvent event, String subscriber) {
   DocumentReference userReference = resolver.resolve(subscriber);
   return authorizationManager.hasAccess(Right.VIEW, userReference, event.getDocumentReference());
 }