EmbedFileSystem{
    files: {'assets/example.json': EmbedFile{
        data: embed_file.EmbedFileData{ len: 22, path: "assets/example.json", apath: "", uncompressed: 8462c4 }
        meta: EmbedFileMetadata{
            key: 'assets/example.json'
            name: 'example.json'
            ext: 'json'
            mimetype: 'application/json'
        }
    }}
}
{"some": "JSON data"}