public function convertObjectParents(array $data = null)
    {
        return array_filter(
            array_map(
                [$this, 'convertObjectParentData'],
                (array) ($data ?? [])
            ),
            function ($item) {
                return !empty($item);
                // @TODO once a logger is available we should log an INFO message if the parent data could not be converted
            }
        );
    }