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: large-query.rs
    path of file: ./repos/aws-doc-sdk-examples/rustv1/examples/cloudwatchlogs/src/bin
    
    the code of the file until where you have to start completion: // Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0

#![allow(clippy::result_large_err)]

use async_recursion::async_recursion;
use futures::join;
use std::{
    collections::HashSet,
    env,
    fmt::Display,
    time::{Duration, Instant},
};
use tracing::info;

use aws_config::BehaviorVersion;
use aws_sdk_cloudwatchlogs::{
    error::ProvideErrorMetadata,

    
    fn client_from_rules(rules: &[&Rule], enforce_order: bool) -> Client {
        let mut mock_response_interceptor = MockResponseInterceptor::new();
        for rule in rules {
            mock_response_interceptor = mock_response_interceptor.with_rule(rule)
        }
        if enforce_order {
            mock_response_interceptor = mock_response_interceptor.enforce_order();
        }
        Client::from_conf(
            Config::builder()
                .with_test_defaults()
                .region(Region::from_static("us-east-1"))
                .interceptor(mock_response_interceptor)
                .build(),
        )
    }