@RequestMapping(value = "/meetups/{urlName}/events/{eventId}", method = GET)
 public ResponseEntity<Meetup> findMeetup(
     @PathVariable final String urlName, @PathVariable final String eventId) {
   Meetup meetup = meetupService.findMeetup(urlName, eventId);
   return meetup != null ? ResponseEntity.ok(meetup) : new ResponseEntity<>(NOT_FOUND);
 }
 @RequestMapping(value = "/meetups", method = GET)
 public ResponseEntity<List<Meetup>> findMeetups(final FindMeetupsRequest findMeetupsRequest) {
   List<Meetup> meetups = meetupService.findMeetups(findMeetupsRequest);
   return meetups != null ? ResponseEntity.ok(meetups) : new ResponseEntity<>(NOT_FOUND);
 }