NULL

TYPO3\CMS\Core\Session\UserSessionprototypeobject
   identifier => protected'224f421cd17c0b7e9e22a7ac8395baef' (32 chars)
   userId => protectedNULL
   lastUpdated => protected1743678144 (integer)
   data => protectedarray(empty)
   wasUpdated => protectedFALSE
   ipLock => protected'' (0 chars)
   isNew => protectedTRUE
   isPermanent => protectedFALSE