Function encode_client_response 

pub async fn encode_client_response<S, B, F, E>(
    resp: Response<()>,
    stream_id: u64,
    stream: &mut RequestStream<S, B>,
    emit: F,
) -> Result<(), StreamEncodeError<E>>
where
    S: RecvStream,
    B: Buf,
    F: FnMut(StreamFrame) -> Result<(), E>,