public function userPackages($user_id, $filters = [])
    {
        // TODO: Tests
        $response = $this->getGuzzleClient()
            ->get(
                '/users/' . $user_id . '/classifieds_promotion_packs',
                $this->setQuery($filters)
            );

        return $this->serializer->deserialize(
            $response->getBody()->getContents(),
            "array<" . Package::class . ">",
            'json'
        );
    }