PHP-CS-Fixer/dev-tools/composer.json

{
    "require": {
        "php": "^7.1"
    },
    "require-dev": {
        "humbug/box": "^3.8",
        "jangregor/phpstan-prophecy": "^0.6",
        "mi-schi/phpmd-extension": "^4.3",
        "phpmd/phpmd": "^2.6",
        "phpstan/phpstan": "0.12.18",
        "phpstan/phpstan-phpunit": "^0.12"
    },
    "conflict": {
        "hhvm": "*"
    },
    "config": {
        "optimize-autoloader": true,
        "sort-packages": true
    }
}