7 use tonic::{Request, Response, Status, Streaming};
17     type ServerStreamStream = Pin<Box<dyn Stream<Item = Result<(), Status>> + Send + 'static>>;
19         Pin<Box<dyn Stream<Item = Result<(), Status>> + Send + 'static>>;
21     async fn unary(&self, _: Request<()>) -> Result<Response<()>, Status> {  in unary()  argument
22         Err(Status::permission_denied(""))  in unary()
28     ) -> Result<Response<Self::ServerStreamStream>, Status> {  in server_stream()  argument
29         Err(Status::permission_denied(""))  in server_stream()
32     async fn client_stream(&self, _: Request<Streaming<()>>) -> Result<Response<()>, Status> {  in client_stream()  argument
33         Err(Status::permission_denied(""))  in client_stream()
39     ) -> Result<Response<Self::BidirectionalStreamStream>, Status> {  in bidirectional_stream()  argument
40         Err(Status::permission_denied(""))  in bidirectional_stream()