laravel5/vendor/psr/container/composer.json

{
    "name": "psr/container",
    "type": "library",
    "description": "Common Container Interface (PHP FIG PSR-11)",
    "keywords": ["psr", "psr-11", "container", "container-interop", "container-interface"],
    "homepage": "https://github.com/php-fig/container",
    "license": "MIT",
    "authors": [
        {
            "name": "PHP-FIG",
            "homepage": "https://www.php-fig.org/"
        }
    ],
    "require": {
        "php": ">=7.4.0"
    },
    "autoload": {
        "psr-4": {
            "Psr\\Container\\": "src/"
        }
    }
}