pub trait LocateBatchFiles: Send + Sync {
type Error;
// Required method
fn locate_batch_files<'life0, 'async_trait>(
self: Arc<Self>,
index: &'life0 BatchIndex,
) -> Pin<Box<dyn Future<Output = Result<Option<BatchFileTriple>, Self::Error>> + Send + 'async_trait>>
where 'life0: 'async_trait,
Self: 'async_trait;
}