{
  "name": "flatcar-stable",
  "description": "Flatcar stable",
  "versions": [{
    "version": "1911.4.0",
    "providers": [{
      "name": "virtualbox",
      "url": "https://stable.release.flatcar-linux.net/amd64-usr/1911.4.0/flatcar_production_vagrant_virtualbox.box",
      "checksum_type": "sha256",
      "checksum": "1620fc52e9f8b7c48e92d01c5bc3bb1faa08f3bc62c480602b499da066bd050c"
    }]
  }]
}