pub trait Middleware:
Send
+ Sync
+ Debug {
// Provided method
fn handle<'life0, 'life1, 'async_trait>(
&'life0 self,
request: InMemoryRequest,
next: Next<'life1>,
) -> Pin<Box<dyn Future<Output = ProtocolResult<Response>> + Send + 'async_trait>>
where Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait { ... }
}