presto-hive/src/main/java/io/prestosql/plugin/hive/InternalHiveSplit.java/InternalHiveSplit/InternalHiveBlock
class InternalHiveSplit:        public InternalHiveBlock(long start, long end, List<HostAddress> addresses)
        {
            checkArgument(start <= end, "block end cannot be before block start");
            this.start = start;
            this.end = end;
            this.addresses = ImmutableList.copyOf(addresses);
        }