pub trait TableBuilderFactory {
type Writer: SstableWriter<Output = UploadJoinHandle>;
type Filter: FilterBuilder;
// Required method
fn open_builder<'life0, 'async_trait>(
&'life0 mut self,
) -> Pin<Box<dyn Future<Output = HummockResult<SstableBuilder<Self::Writer, Self::Filter>>> + Send + 'async_trait>>
where Self: 'async_trait,
'life0: 'async_trait;
}