{
    "partitions": [
        {
            "label": "boot-rbp4",
            "filesystem_type": "FAT",
            "partition_size_nominal": 144,
            "want_maximised": false,
            "mkfs_options": "-F32",
            "uncompressed_tarball_size": 25
        },
        {
            "label": "root-rbp4",
            "filesystem_type": "ext4",
            "partition_size_nominal": 2048,
            "uncompressed_tarball_size": 715,
            "want_maximised": true,
            "mkfs_options": "-F -I 256 -E stride=2,stripe-width=1024,nodiscard -b 4096"
        }
    ]
}