/**
  * Sends event on successful response.
  *
  * @param inMembershipCriteria Requested criterion.
  * @param found If any query results found.
  */
 private void sendSuccessEvent(
     final MembershipCriteriaDTO inMembershipCriteria, final boolean found) {
   final EventBus eventBus = Session.getInstance().getEventBus();
   if (found) {
     eventBus.notifyObservers(new MembershipCriteriaAddedEvent(inMembershipCriteria, true));
   } else {
     eventBus.notifyObservers(new MembershipCriteriaVerificationNoUsersEvent());
   }
 }