Warning: Unsupported declare 'strict_types' in /var/www/devel/md/product-db/vendor/laravel/roster/src/Detectors/Approaches/ModelKeyStyle.php on line 3

Parse error: syntax error, unexpected ':', expecting ';' or '{' in /var/www/devel/md/product-db/vendor/laravel/roster/src/Detectors/Approaches/ModelKeyStyle.php on line 13