pub trait LogIterator: Send + Sync {
type Error: ErrorExt + Send + Sync;
// Required method
fn next_log<'life0, 'async_trait>(
&'life0 mut self,
) -> Pin<Box<dyn Future<Output = Result<Option<(ManifestVersion, Vec<u8>)>, Self::Error>> + Send + 'async_trait>>
where Self: 'async_trait,
'life0: 'async_trait;
}