pub trait EchoProxyInterface: Send + Sync {
type EchoStringResponseFut: Future<Output = Result<Option<String>, Error>> + Send;
// Required method
fn echo_string(&self, value: Option<&str>) -> Self::EchoStringResponseFut;
}
pub trait EchoProxyInterface: Send + Sync {
type EchoStringResponseFut: Future<Output = Result<Option<String>, Error>> + Send;
// Required method
fn echo_string(&self, value: Option<&str>) -> Self::EchoStringResponseFut;
}