pub trait Task: Send + Sync {
// Required methods
fn info(&self) -> TaskInfo;
fn run<'life0, 'async_trait>(
&'life0 self,
input: Input
) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>
where Self: 'async_trait,
'life0: 'async_trait;
// Provided method
fn exit<'life0, 'async_trait>(
&'life0 self,
_input: Input
) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>
where Self: 'async_trait,
'life0: 'async_trait { ... }
}