{
  "name": "flatcar-stable",
  "description": "Flatcar stable",
  "versions": [{
    "version": "2191.4.0",
    "providers": [{
      "name": "virtualbox",
      "url": "https://stable.release.flatcar-linux.net/amd64-usr/2191.4.0/flatcar_production_vagrant.box",
      "checksum_type": "sha256",
      "checksum": "1dacf5630855eb00f3e7860d23e712e7aedd9a4ff0e8c5cc1cfb0a925ce0f4b7"
    }]
  }]
}