{
    "name": "joestewart/robo-drupalvm",
    "description": "Drupal VM tasks Robo Task Runner",
    "license": "MIT",
    "type": "robo-tasks",
    "authors": [
        {
            "name": "Joe Stewart",
            "email": "joe@joestewartjr.com"
        }
    ],
    "autoload": {
        "psr-4": {
            "JoeStewart\\RoboDrupalVM\\": "src"
        }
    },
    "require": {
        "php": ">=5.5.0",
        "consolidation/Robo": "~1",
        "symfony/yaml": "~2.8|~3.0"
    },
    "require-dev": {
        "phpunit/phpunit": ">=4.4"
    }
}

{
    "name": "joestewart/robo-drupalvm",
    "description": "Drupal VM tasks Robo Task Runner",
    "license": "MIT",
    "type": "robo-tasks",
    "authors": [
        {
            "name": "Joe Stewart",
            "email": "joe@joestewartjr.com"
        }
    ],
    "autoload": {
        "psr-4": {
            "JoeStewart\\RoboDrupalVM\\": "src"
        }
    },
    "require": {
        "php": ">=5.5.0",
        "consolidation/Robo": "~1",
        "symfony/yaml": "~2.8|~3.0|~4.0"
    },
    "require-dev": {
        "phpunit/phpunit": ">=4.4"
    }
}

Add support for symfony 4
Add support for symfony 4
