code: private static void outputFile(File dstFile, String version, SortedMap<String, ZoneRules> builtZones, SortedMap<LocalDate, Byte> leapSeconds) {
          Map<String, SortedMap<String, ZoneRules>> loopAllBuiltZones = new TreeMap<String, SortedMap<String, ZoneRules>>();
          loopAllBuiltZones.put(version, builtZones);
          Set<String> loopAllRegionIds = new TreeSet<String>(builtZones.keySet());
          Set<ZoneRules> loopAllRules = new HashSet<ZoneRules>(builtZones.values());
          outputFile(dstFile, loopAllBuiltZones, loopAllRegionIds, loopAllRules, leapSeconds);
      }
docs: Outputs the file.