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use serde::{Deserialize, Serialize};

#[derive(Debug, Serialize, Deserialize)]
struct Specification {
    benchmarks: Vec<Benchmark>,
}

#[derive(Debug, Serialize, Deserialize)]
struct Benchmark {
    benchmark: String,
    backups: Vec<Backup>,
}

#[derive(Debug, Serialize, Deserialize)]
struct Backup {
    changes: Vec<Change>,
}

#[derive(Debug, Serialize, Deserialize)]
enum Change {
    Create(CreateFiles),
    Delete(FileCount),
    Rename(FileCount),
}

#[derive(Debug, Serialize, Deserialize)]
struct CreateFiles {
    files: u64,
    file_size: u64,
}

#[derive(Debug, Serialize, Deserialize)]
struct FileCount {
    files: u64,
}

fn main() {
    let yaml = r#"
benchmarks:
- benchmark: foo
  backups: []
"#;
    let spec: Specification = serde_yaml::from_str(yaml).unwrap();
    serde_json::to_writer(std::io::stdout(), &spec).unwrap();
    println!();
}