You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: benchmark.rs
    path of file: ./repos/juniper/benches/benches
    
    the code of the file until where you have to start completion: use criterion::{criterion_group, criterion_main, BenchmarkId, Criterion};

use juniper::InputValue;
use juniper_benchmarks as j;

fn bench_sync_vs_async_users_flat_instant(c: &mut Criterion) {
    // language=GraphQL
    const ASYNC_QUERY: &str = r#"
        query Query($id: Int) {
    
    
fn bench_sync_vs_async_users_flat_instant(c: &mut Criterion) {
    // language=GraphQL
    const ASYNC_QUERY: &str = r#"
        query Query($id: Int) {
            users_async_instant(ids: [$id]!) {
                id
                kind
                username
                email
            }
        }
    "#;

    // language=GraphQL
    const SYNC_QUERY: &str = r#"
        query Query($id: Int) {
            users_sync_instant(ids: [$id]!) {
                id
                kind
                username
                email
            }
        }
    "#;

    let mut group = c.benchmark_group("Sync vs Async - Users Flat - Instant");
    for count in [1, 10] {
        group.bench_function(BenchmarkId::new("Sync", count), |b| {
            let ids = (0..count).map(InputValue::scalar).collect::<Vec<_>>();
            let ids = InputValue::list(ids);
            b.iter(|| {
                j::execute_sync(
                    SYNC_QUERY,
                    vec![("ids".to_owned(), ids.clone())].into_iter().collect(),
                )
            })
        });

        group.bench_function(BenchmarkId::new("Async - Single Thread", count), |b| {
            let rt = tokio::runtime::Builder::new_current_thread()
                .build()
                .unwrap();

            let ids = (0..count).map(InputValue::scalar).collect::<Vec<_>>();
            let ids = InputValue::list(ids);

            b.iter(|| {
                let f = j::execute(
                    ASYNC_QUERY,
                    vec![("ids".to_owned(), ids.clone())].into_iter().collect(),
                );
                rt.block_on(f)
            })
        });

        group.bench_function(BenchmarkId::new("Async - Threadpool", count), |b| {
            let rt = tokio::runtime::Builder::new_multi_thread().build().unwrap();

            let ids = (0..count).map(InputValue::scalar).collect::<Vec<_>>();
            let ids = InputValue::list(ids);

            b.iter(|| {
                let f = j::execute(
                    ASYNC_QUERY,
                    vec![("ids".to_owned(), ids.clone())].into_iter().collect(),
                );
                rt.block_on(f)
            })
        });
    }
    group.finish();
}