pub trait CacheInvalidator: Send + Sync {
// Required method
fn invalidate<'life0, 'life1, 'life2, 'async_trait>(
&'life0 self,
ctx: &'life1 Context,
caches: &'life2 [CacheIdent],
) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>
where Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
'life2: 'async_trait;
}