pub trait SendMsg {
// Required method
fn send_message<'life0, 'async_trait>(
&'life0 self,
data: ApplicationData,
destination: PeerId,
options: RoutingOptions,
) -> Pin<Box<dyn Future<Output = Result<(), TransportSessionError>> + Send + 'async_trait>>
where 'life0: 'async_trait,
Self: 'async_trait;
}