{
  "name": "flatcar-stable",
  "description": "Flatcar stable",
  "versions": [{
    "version": "2191.4.1",
    "providers": [{
      "name": "virtualbox",
      "url": "https://stable.release.flatcar-linux.net/amd64-usr/2191.4.1/flatcar_production_vagrant.box",
      "checksum_type": "sha256",
      "checksum": "676107aa68ecc78387d707c282c4443b95a5be95a736b83dc4e39f0394677440"
    }]
  }]
}