pub trait Get<V: Identity>: Repository<V> {
// Required method
fn get_one<'life0, 'life1, 'async_trait>(
&'life0 self,
k: &'life1 V::Id,
) -> Pin<Box<dyn Future<Output = Result<Option<V>, Self::Error>> + Send + 'async_trait>>
where Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait;
}