public function set_config(array $config)
    {
        if (isset($config['convert_integers'])) {
            $this->config['convert_integers'] = (bool)$config['convert_integers'];
        }

        if (isset($config['typecast_objects'])) {
            $this->config['typecast_objects'] = (bool)$config['typecast_objects'];
        }

        return $this;
    }