public function getLanguagesForNode(NodeInterface $node)
    {
        $languages = [];
        foreach ($node->getProperties() as $property) {
            /* @var PropertyInterface $property */
            preg_match('/^' . $this->languageNamespace . ':([a-zA-Z_]*?)-changer/', $property->getName(), $matches);

            if ($matches) {
                $languages[$matches[1]] = $matches[1];
            }
        }

        return array_values($languages);
    }