presto-hive/src/main/java/io/prestosql/plugin/hive/s3/PrestoS3FileSystem.java/PrestoS3FileSystem/statusFromListing
class PrestoS3FileSystem:    private Iterator<LocatedFileStatus> statusFromListing(ObjectListing listing)
    {
        return Iterators.concat(
                statusFromPrefixes(listing.getCommonPrefixes()),
                statusFromObjects(listing.getObjectSummaries()));
    }