private function formatFieldName($key)
    {
        $related_model = $this->revisionable_type;
        $related_model = new $related_model;
        $revisionFormattedFieldNames = $related_model->getRevisionFormattedFieldNames();

        if (isset($revisionFormattedFieldNames[$key])) {
            return $revisionFormattedFieldNames[$key];
        }

        return false;
    }