{
  "partitions": [
    {
      "label":                     "System",
      "filesystem_type":           "FAT",
      "partition_size_nominal":    512,
      "want_maximised":            false,
      "uncompressed_tarball_size": 120,
      "mkfs_options":              ""
    },
    {
      "label":                     "Storage",
      "filesystem_type":           "ext4",
      "partition_size_nominal":    512,
      "want_maximised":            true,
      "uncompressed_tarball_size": 10,
      "mkfs_options":              ""
    }
  ]
}