public function get()
    {
        // Pre-populating 'carddata' is optional. If we don't yet have it
        // already, we fetch it from the backend.
        if (!isset($this->cardData['carddata'])) {
            $this->cardData = $this->carddavBackend->getCard($this->addressBookInfo['id'], $this->cardData['uri']);
        }

        return $this->cardData['carddata'];
    }