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: h2_client_stream.rs
    path of file: ./repos/hickory-dns/crates/proto/src/h2
    
    the code of the file until where you have to start completion: // Copyright 2015-2018 Benjamin Fry <benjaminfry@me.com>
//
// Licensed under the Apache License, Version 2.0, <LICENSE-APACHE or
// https://apache.org/licenses/LICENSE-2.0> or the MIT license <LICENSE-MIT or
// https://opensource.org/licenses/MIT>, at your option. This
    
    fn send_message(&mut self, mut message: DnsRequest) -> DnsResponseStream {
        if self.is_shutdown {
            panic!("can not send messages after stream is shutdown")
        }

        // per the RFC, a zero id allows for the HTTP packet to be cached better
        message.set_id(0);

        let bytes = match message.to_vec() {
            Ok(bytes) => bytes,
            Err(err) => return err.into(),
        };

        Box::pin(Self::inner_send(
            self.h2.clone(),
            Bytes::from(bytes),
            Arc::clone(&self.name_server_name),
        ))
        .into()
    }