protected function getContentInfo()
    {
        if ($this->object === null) {
            if ($this->contentInfoProxy === null) {
                $this->contentInfoProxy = new ContentContentInfoProxy($this, $this->id);
            }

            return $this->contentInfoProxy;
        } elseif ($this->contentInfoProxy !== null) {
            // Remove ref when we no longer need the proxy
            $this->contentInfoProxy = null;
        }

        return $this->object->getVersionInfo()->getContentInfo();
    }