docs: private Collection<Map<String, Object>> getActiveSsoSessions(final SsoSessionReportOptions option) {
          val activeSessions = new ArrayList<Map<String, Object>>();
          val dateFormat = new ISOStandardDateFormat();
          getNonExpiredTicketGrantingTickets().stream().map(TicketGrantingTicket.class::cast)
              .filter(tgt -> !(option == SsoSessionReportOptions.DIRECT && tgt.getProxiedBy() != null))
              .forEach(tgt -> {
                  val authentication = tgt.getAuthentication();
                  val principal = authentication.getPrincipal();
                  val sso = new HashMap<String, Object>(SsoSessionAttributeKeys.values().length);
                  sso.put(SsoSessionAttributeKeys.AUTHENTICATED_PRINCIPAL.toString(), principal.getId());
                  sso.put(SsoSessionAttributeKeys.AUTHENTICATION_DATE.toString(), authentication.getAuthenticationDate());
                  sso.put(SsoSessionAttributeKeys.AUTHENTICATION_DATE_FORMATTED.toString(),
                      dateFormat.format(DateTimeUtils.dateOf(authentication.getAuthenticationDate())));
                  sso.put(SsoSessionAttributeKeys.NUMBER_OF_USES.toString(), tgt.getCountOfUses());
                  sso.put(SsoSessionAttributeKeys.TICKET_GRANTING_TICKET.toString(), tgt.getId());
                  sso.put(SsoSessionAttributeKeys.PRINCIPAL_ATTRIBUTES.toString(), principal.getAttributes());
                  sso.put(SsoSessionAttributeKeys.AUTHENTICATION_ATTRIBUTES.toString(), authentication.getAttributes());
                  if (option != SsoSessionReportOptions.DIRECT) {
                      if (tgt.getProxiedBy() != null) {
                          sso.put(SsoSessionAttributeKeys.IS_PROXIED.toString(), Boolean.TRUE);
                          sso.put(SsoSessionAttributeKeys.PROXIED_BY.toString(), tgt.getProxiedBy().getId());
                      } else {
                          sso.put(SsoSessionAttributeKeys.IS_PROXIED.toString(), Boolean.FALSE);
                      }
                  }
                  sso.put(SsoSessionAttributeKeys.AUTHENTICATED_SERVICES.toString(), tgt.getServices());
                  activeSessions.add(sso);
              });
          return activeSessions;
      }