private function loadTag(\DOMXPath $xpath, \DOMNode $node)
    {
        $tag = [
            'name' => null,
            'priority' => null,
            'attributes' => [],
        ];

        foreach ($node->attributes as $key => $attr) {
            if (in_array($key, ['name', 'priority'])) {
                $tag[$key] = $attr->value;
            } else {
                $tag['attributes'][$key] = $attr->value;
            }
        }

        return $tag;
    }