Просмотр файла vendor/guzzlehttp/guzzle/vendor-bin/php-cs-fixer/composer.json

{
    "require": {
        "php": "^7.2.5 || ^8.0",
        "friendsofphp/php-cs-fixer": "2.18.3"
    },
    "config": {
        "preferred-install": "dist"
    }
}