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: grpc_client.rs
    path of file: ./repos/volo/examples/src/multiplex
    
    the code of the file until where you have to start completion: use std::net::SocketAddr;

use lazy_static::lazy_static;
use pilota::FastStr;

lazy_static! {
    static ref GREETER_CLIENT: volo_gen::proto_gen::hello::GreeterClient = {
        let addr: SocketAddr = "127.0.0.1:8080".parse().unwrap();
        volo_gen::proto_gen::hello::GreeterClientBuilder::new("hel
    
async fn main() {
    let req = volo_gen::proto_gen::hello::HelloRequest {
        name: FastStr::from_static_str("Volo"),
    };
    let resp = GREETER_CLIENT.say_hello(req).await;
    match resp {
        Ok(info) => println!("GREETER: {info:?}"),
        Err(e) => eprintln!("GREETER: {e:?}"),
    }

    let req = volo_gen::proto_gen::echo::EchoRequest {
        message: FastStr::from_static_str("Volo"),
    };
    let resp = ECHO_CLIENT.echo(req).await;
    match resp {
        Ok(info) => println!("ECHO: {info:?}"),
        Err(e) => eprintln!("ECHO: {e:?}"),
    }
}