presto-hive/src/main/java/io/prestosql/plugin/hive/util/HiveFileIterator.java/HiveFileIterator/getLocatedFileStatus
class HiveFileIterator:    private LocatedFileStatus getLocatedFileStatus(Iterator<LocatedFileStatus> iterator)
    {
        try (TimeStat.BlockTimer ignored = namenodeStats.getRemoteIteratorNext().time()) {
            return iterator.next();
        }
    }