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: dispatch.rs
    path of file: ./repos/lapce/lapce-proxy/src
    
    the code of the file until where you have to start completion: use std::{
    collections::{HashMap, HashSet},
    fs, io,
    path::{Path, PathBuf},
    sync::{
        atomic::{AtomicU64, Ordering},
        Arc,
    },
    thread,
    time::Duration,
};

use alacritty_terminal::{event::WindowSize, event_loop::Msg};
use anyhow::{anyhow, Context, Result};
use crossbeam_channel::Sender;
use git2::ErrorCode::NotFound;
use 
    
fn file_get_head(workspace_path: &Path, path: &Path) -> Result<(String, String)> {
    let repo = Repository::discover(workspace_path)?;
    let head = repo.head()?;
    let tree = head.peel_to_tree()?;
    let tree_entry = tree.get_path(path.strip_prefix(workspace_path)?)?;
    let blob = repo.find_blob(tree_entry.id())?;
    let id = blob.id().to_string();
    let content = std::str::from_utf8(blob.content())
        .with_context(|| "content bytes to string")?
        .to_string();
    Ok((id, content))
}