249     b_agent: &Arc<Agent>,  in connect_with_vnet()
253     let (b_ufrag, b_pwd) = b_agent.get_local_user_credentials().await;  in connect_with_vnet()
255     gather_and_exchange_candidates(a_agent, b_agent).await?;  in connect_with_vnet()
270     let b_conn = b_agent.dial(b_cancel_rx, a_ufrag, a_pwd).await?;  in connect_with_vnet()
328     let b_agent = Arc::new(Agent::new(cfg1).await?);  in pipe_with_vnet()  localVariable
329     b_agent.on_connection_state_change(b_notifier);  in pipe_with_vnet()
331     let (a_conn, b_conn) = connect_with_vnet(&a_agent, &b_agent).await?;  in pipe_with_vnet()
358     b_agent: &Arc<Agent>,  in gather_and_exchange_candidates()
377     b_agent.on_candidate(Box::new(  in gather_and_exchange_candidates()
388     b_agent.gather_candidates()?;  in gather_and_exchange_candidates()
396         b_agent.add_remote_candidate(&c2)?;  in gather_and_exchange_candidates()
399     let candidates = b_agent.get_local_candidates().await?;  in gather_and_exchange_candidates()