public function usersList(array $filter = [], $page = null, $limit = null)
    {
        $parameters = [];

        if (count($filter)) {
            $parameters['filter'] = $filter;
        }
        if (null !== $page) {
            $parameters['page'] = (int)$page;
        }
        if (null !== $limit) {
            $parameters['limit'] = (int)$limit;
        }

        /** @noinspection PhpUndefinedMethodInspection */
        return $this->client->makeRequest(
            '/users',
            "GET",
            $parameters
        );
    }