an AWS SDK CompleteSnapshotで使用する

async fn finish(client: &Client, id: &str) -> Result<(), Error> {
    client
        .complete_snapshot()
        .changed_blocks_count(2)
        .snapshot_id(id)
        .send()
        .await?;

    println!("Snapshot ID {}", id);
    println!("The state is 'completed' when all of the modified blocks have been transferred to Amazon S3.");
    println!("Use the get-snapshot-state code example to get the state of the snapshot.");

    Ok(())
}