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: compaction-simulator.rs
    path of file: ./repos/mini-lsm/mini-lsm-mvcc/src/bin
    
    the code of the file until where you have to start completion: mod wrapper;
use wrapper::mini_lsm_wrapper;

use std::collections::HashMap;
use std::sync::Arc;

use bytes::{Buf, BufMut, BytesMut};
use clap::Parser;
use mini_lsm_wrapper::compact::{
    Leveled
    
    pub fn dump_real_id(&self, always_show_l0: bool, with_key: bool) {
        if !self.snapshot.l0_sstables.is_empty() || always_show_l0 {
            println!(
                "L0 ({}): {:?}",
                self.snapshot.l0_sstables.len(),
                self.snapshot.l0_sstables,
            );
        }
        for (level, files) in &self.snapshot.levels {
            println!("L{level} ({}): {:?}", files.len(), files);
        }
        if with_key {
            self.check_keys();
        }
    }