modules/acm/src/DatabaseSessionStore.php
protected function getOwnerReference($uid) {
    $key = $uid . ':' . self::OWNER_REFERENCE_NAMESPACE;
    if (($object = $this->storage->get($key)) && ($object->owner == $uid)) {
      return $object->data;
    }
  }
protected function getOwnerReference($uid) {
    $key = $uid . ':' . self::OWNER_REFERENCE_NAMESPACE;
    if (($object = $this->storage->get($key)) && ($object->owner == $uid)) {
      return $object->data;
    }
  }
protected function getOwnerReference ( $ uid ) { $ key = $ uid . ':' . self :: OWNER_REFERENCE_NAMESPACE ; if ( ( $ object = $ this -> storage -> get ( $ key ) ) && ( $ object -> owner == $ uid ) ) { return $ object -> data ; } }
Gets the reference to the current store owner for a particular user.

@param string $uid
The user id to relate to the current store.

@throws \Drupal\Core\TempStore\TempStoreException
Thrown when a lock for the backend storage could not be acquired.
Gets the reference to the current store owner for a particular user .