docs: public JwtTicketCipherExecutor getTokenTicketCipherExecutorForService(final RegisteredService registeredService) {
          val encryptionKey = getEncryptionKey(registeredService).orElse(StringUtils.EMPTY);
          val signingKey = getSigningKey(registeredService).orElse(StringUtils.EMPTY);
          return new JwtTicketCipherExecutor(encryptionKey, signingKey,
              StringUtils.isNotBlank(encryptionKey), StringUtils.isNotBlank(signingKey), 0, 0);
      }