async fn print_user_key_in_sst(
sstable_store: SstableStoreRef,
sst: &SstableInfo,
user_key: &UserKey<&[u8]>,
) -> Result<()>
async fn print_user_key_in_sst(
sstable_store: SstableStoreRef,
sst: &SstableInfo,
user_key: &UserKey<&[u8]>,
) -> Result<()>