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: cli.rs
    path of file: ./repos/dfir-toolkit/src/bin/ipgrep
    
    the code of the file until where you have to start completion: use std::{net::Ipv4Addr, path::PathBuf, io::BufRead};

use clap::Parser;
use dfir_toolkit::common::HasVerboseFlag;
use log::LevelFilter;

use crate::{ip_filter::IpFilter, format_ipv4};

/// search for IP addresses in text files
#[derive(Parser)]
#[clap(name=env!("CARGO_BIN_NAME"), author, version,long_about=None)]
pub(crate) struct Cli {
    pub(crate) file: Vec<PathBuf>,

    /// display only lines who match ALL of the specified criteria. Values are delimited with comma
    #[clap(
        short('i'),
        long("include"),
        value_enum,
        use_value_delimiter = true,
        value_delimiter = ',',
       
    
    pub (crate) fn ipgrep<R: BufRead>(&self, mut reader: R) -> anyhow::Result<()> {
        let mut line = String::new();
        loop {
            line.clear();
            match reader.read_line(&mut line) {
                Ok(0) => break,
                Err(_) => break,
                Ok(_) => {
                    if let Some(hline) = format_ipv4(
                        &self.exclude[..],
                        &self.include[..],
                        &self.ignore_ips[..],
                        &line,
                    ) {
                        print!("{hline}");
                    }
                }
            }
        }
        Ok(())
    }