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: main.rs
    path of file: ./repos/nearcore/neard/src
    
    the code of the file until where you have to start completion: mod cli;

use self::cli::NeardCmd;
use anyhow::Context;
use near_primitives::version::{Version, PROTOCOL_VERSION};
use near_store::metadata::DB_VERSION;
use nearcore::get_default_home;
use once_cell::sync::Lazy;
use std::env;
use std::path::PathBuf;
use std::time::Duration;

static NEARD_VERSION: &str = env!("NEARD_VERSION");
static NEARD_BUILD: &str = env!("NEARD_BUILD");
static RUSTC_VERSION: &str = env!("NEARD_RUSTC_VERSION");

static NEARD_VERSION_STRING: Lazy<String> = Lazy::new(|| {
    format!(
        "(release {}) (build {}) (rustc {}) (protocol {}) (db {})",
        NEARD_VERSION, NEARD_BUILD, RUSTC_VERSION, PROTOCOL_VERSION, DB_VERSION
    )
});

fn neard_version() -> Version {
    Version {
        version: NEARD_VERSION.to_string(),
        build: NEARD_BUILD.to_string(),
        rustc_version: RUSTC_VERSION.to_string(),
    }
}

static DEFAULT_HOME: Lazy<PathBuf> = Lazy::new(get_default_home);

#[global_allocator]
static ALLOC: tikv_jemallocator::Jemalloc = tikv_jemallocator::Jemalloc;

fn main() -> anyhow::Result<()> {
    if env::var("RUST_BACKTRACE").is_err() {
        // Enable backtraces on panics by default.
        env::set_var("RUST_BACKTRACE", "1");
    }

    rayon::ThreadPoolBuilder::new()
        .stack_size(8 * 1024 * 1024)
        .build_global()
        .context("failed to create the threadpool")?;

    // We use it to automatically 
    
fn main() -> anyhow::Result<()> {
    if env::var("RUST_BACKTRACE").is_err() {
        // Enable backtraces on panics by default.
        env::set_var("RUST_BACKTRACE", "1");
    }

    rayon::ThreadPoolBuilder::new()
        .stack_size(8 * 1024 * 1024)
        .build_global()
        .context("failed to create the threadpool")?;

    // We use it to automatically search the for root certificates to perform HTTPS calls
    // (sending telemetry and downloading genesis)
    openssl_probe::init_ssl_cert_env_vars();
    near_performance_metrics::process::schedule_printing_performance_stats(Duration::from_secs(60));

    // The default FD soft limit in linux is 1024.
    // We use more than that, for example we support up to 1000 TCP
    // connections, using 5 FDs per each connection.
    // We consider 65535 to be a reasonable limit for this binary,
    // and we enforce it here. We also set the hard limit to the same value
    // to prevent the inner logic from trying to bump it further:
    // FD limit is a global variable, so it shouldn't be modified in an
    // uncoordinated way.
    const FD_LIMIT: u64 = 65535;
    let (_, hard) = rlimit::Resource::NOFILE.get().context("rlimit::Resource::NOFILE::get()")?;
    rlimit::Resource::NOFILE.set(FD_LIMIT, FD_LIMIT).context(format!(
        "couldn't set the file descriptor limit to {FD_LIMIT}, hard limit = {hard}"
    ))?;

    NeardCmd::parse_and_run()
}