47 pub type Result<T> = std::result::Result<T, Error>;  typedef
124 ) -> Result<()> {  in drive()
147     async fn drive(mut self) -> Result<()> {  in drive()
155     fn handle_closed(&self) -> Result<()> {  in handle_closed()
240     async fn flush_tx(&mut self) -> Result<()> {  in flush_tx()
277     async fn drive_once(&mut self) -> Result<()> {  in drive_once()
326     fn handle_request(&mut self, request: Request) -> Result<()> {  in handle_request()
362     async fn recv_body(&mut self, stream_id: u64) -> Result<()> {  in recv_body()
397     fn discard_datagram(&mut self, _flow_id: u64) -> Result<()> {  in discard_datagram()
408     async fn flush_h3(&mut self) -> Result<()> {  in flush_h3()
418     async fn process_h3_event(&mut self, stream_id: u64, event: h3::Event) -> Result<()> {  in process_h3_event()
479     async fn shutdown(&mut self, send_goaway: bool, msg: &[u8]) -> Result<()> {  in shutdown()