Warning: Unsupported declare 'strict_types' in /var/www/devel/md/product-db/vendor/sabberworm/php-css-parser/src/RuleSet/AtRuleSet.php on line 3

Fatal error: Default value for parameters with a class type hint can only be NULL in /var/www/devel/md/product-db/vendor/sabberworm/php-css-parser/src/RuleSet/AtRuleSet.php on line 32