public function setCustomStylesheets($customStylesheets)
    {
        $this->customStylesheets = [];
        if (!$customStylesheets) {
            return;
        }
        foreach ($customStylesheets as $stylesheet) {
            if (!isset($this->customStylesheets[$stylesheet['priority']])) {
                $this->customStylesheets[$stylesheet['priority']] = [];
            }

            $this->customStylesheets[$stylesheet['priority']][] = $stylesheet['path'];
        }
    }