Transphporm\Builder::getRules PHP Method

    private function getRules($template, $config)
    {
        $cache = new TSSCache($this->cache, $template->getPrefix());
        return (new Parser\Sheet($this->tss, $this->baseDir, $config->getCssToXpath(), $config->getValueParser(), $cache, $config->getFilePath()))->parse();
    }