code: public static <ITEM extends Item> Predicate<ITEM> isAlive() {
          return new Predicate<ITEM>() {
              @Override
              public boolean apply(ITEM item) {
                  return !from(GHEventsSubscriber.all()).filter(isApplicableFor(item)).toList().isEmpty();
              }
          };
      }
docs: If any of event subscriber interested in hook for item, then return true
  By default, push hook subscriber is interested in job with gh-push-trigger
  
  @return predicate with true if item alive and should have hook