public function getStructureTypeForNode(NodeInterface $node)
    {
        $mixinTypes = $node->getPropertyValueWithDefault('jcr:mixinTypes', []);

        if (in_array('sulu:' . Structure::TYPE_PAGE, $mixinTypes)) {
            return Structure::TYPE_PAGE;
        }

        if (in_array('sulu:' . Structure::TYPE_SNIPPET, $mixinTypes)) {
            return Structure::TYPE_SNIPPET;
        }

        return;
    }