docs: private String getGroupAccessId(String groupName) {
          try {
              SecurityService securityService = securityServiceRef.getService();
              UserRegistryService userRegistryService = securityService.getUserRegistryService();
              UserRegistry userRegistry = userRegistryService.getUserRegistry();
              String realm = userRegistry.getRealm();
              String groupUniqueId = userRegistry.getUniqueGroupId(groupName);
              return AccessIdUtil.createAccessId(AccessIdUtil.TYPE_GROUP, realm, groupUniqueId);
          } catch (EntryNotFoundException e) {
              if (TraceComponent.isAnyTracingEnabled() && tc.isDebugEnabled()) {
                  Tr.debug(tc, "Caught exception getting the access id for "
                               + groupName + ": " + e);
              }
          } catch (RegistryException e) {
              if (TraceComponent.isAnyTracingEnabled() && tc.isDebugEnabled()) {
                  Tr.debug(tc, "Caught exception getting the access id for "
                               + groupName + ": " + e);
              }
          }
          return null;
      }