protected function handleKey($key, Model $model)
    {
        if (is_string($key) === true) {
            $model->setName($this->pool->encodingService->encodeString($key))
                ->setConnectorType(Connectors::ASSOCIATIVE_ARRAY);

            return;
        }

        $model->setName($key)->setConnectorType(Connectors::NORMAL_ARRAY);
    }