90     let stream = tokio_stream::iter(requests);  in client_streaming()  localVariable
92     let result = client.streaming_input_call(Request::new(stream)).await;  in client_streaming()
210     let stream = tokio_stream::empty();  in empty_stream()  localVariable
211     let result = client.full_duplex_call(Request::new(stream)).await;  in empty_stream()
273     let stream = tokio_stream::once(duplex_req);  in status_code_and_message()  localVariable
274     let result = match client.full_duplex_call(Request::new(stream)).await {  in status_code_and_message()
276             let stream = response.into_inner();  in status_code_and_message()  localVariable
277             let responses = stream.collect::<Vec<_>>().await;  in status_code_and_message()
359     let stream = tokio_stream::once(make_ping_pong_request(0));  in custom_metadata()  localVariable
360     let mut req_stream = Request::new(stream);  in custom_metadata()
391     let mut stream = response.into_inner();  in custom_metadata()  localVariable
393     let trailers = stream.trailers().await.unwrap().unwrap();  in custom_metadata()