Assistant: 
User: 
    Please analyze the following code file and determine whether it belongs to any of the provided modules based on the listed module descriptions.
    Note that the provided list of modules may not be exhaustive, and some files may not belong to any of the modules. 
    If the code belongs to a module, Only output the module name, without any explanation or additional information; otherwise, return 'None' if it does not belong to any module.

    Modules : {
        "UI": "Handles the front-end user interface, consisting of HTML, CSS, and JavaScript files generated by the Angular framework. It processes user requests and interacts with the server using AJAX for data retrieval and client-side interactions."
"Test Driver": "Facilitates automated regression testing and handles transmission of test data in JSON format. It performs Java testing using TestNG and JavaScript unit-testing with Jest. It also sets up a simulated web server for servlet-level tests and automates end-to-end testing using Selenium Java."
"Logic": "Manages the business logic of TEAMMATES, including handling relationships between entities, managing transactions, input value sanitization, access control rights, and interfacing with GAE-provided or third-party APIs."
"Storage": "Performs CRUD operations on data entities, validation of data, and abstraction of GQL queries, hiding the complexities of datastore from the Logic component."
"Common": "Contains utility classes, custom exceptions, and data transfer objects used across the entire application for easy consolidation and transfer of structured data."
"E2E": "Handles end-to-end testing and load & performance testing, providing helpers, abstractions of browser pages, and test cases for E2E tests and L&P tests."
"Client": "Contains scripts for administrative tasks, such as migrating data to a new schema and calculating statistics. This module connects directly to the application back-end for administrative purposes."
    }

    Code: package teammates.common.util; /** * Loads time-zone rules for 'TZDB'. Modified from {@link java.time.zone.TzdbZoneRulesProvider}. * Reads the file 'tzdb.dat' from resources instead of the JRE library directory. */ public final class TzdbResourceZoneRulesProvider extends ZoneRulesProvider { /** Type for ZoneRules. */ private static final byte ZRULES = 1; /** Type for ZoneOffsetTransition. */ private static final byte ZOT = 2; /** Type for ZoneOffsetTransitionRule. */ private static final byte ZOTRULE = 3; /** * All the regions that are available. */ private List<String> regionIds; /** * Version Id of this tzdb rules. */ private String versionId; /** * Region to rules mapping. */ private final Map<String, Object> regionToRules = new ConcurrentHashMap<>(); /** * Creates an instance. * Created by the {@code ServiceLoader}. * * @throws ZoneRulesException if unable to load */ public TzdbResourceZoneRulesProvider() { try { try (DataInputStream dis = new DataInputStream( new BufferedInputStream(FileHelper.getResourceAsStream("tzdb.dat")))) { load(dis); } } catch (Exception ex) { throw new ZoneRulesException("Unable to load TZDB time-zone rules from resource tzdb.dat", ex); } } @Override protected Set<String> provideZoneIds() { return new HashSet<>(regionIds); } @Override protected ZoneRules provideRules(String zoneId, boolean forCaching) { // forCaching flag is ignored because this is not a dynamic provider Object obj = regionToRules.get(zoneId); if (obj == null) { throw new ZoneRulesException("Unknown time-zone ID: " + zoneId); } try { if (obj instanceof byte[]) { byte[] bytes = (byte[]) obj; DataInputStream dis = new DataInputStream(new ByteArrayInputStream(bytes)); obj = serRead(dis); regionToRules.put(zoneId, obj); } return (ZoneRules) obj; } catch (Exception ex) { throw new ZoneRulesException("Invalid binary time-zone data: TZDB:" + zoneId + ", version: " + versionId, ex); } } @Override protected NavigableMap<String, ZoneRules> provideVersions(String zoneId) { NavigableMap<String, ZoneRules> map = new TreeMap<>(); ZoneRules rules = getRules(zoneId, false); if (rules != null) { map.put(versionId, rules); } return map; } /** * Loads the rules from a DateInputStream, often in a jar file. * * @param dis the DateInputStream to load, not null * @throws IOException if an error occurs */ private void load(DataInputStream dis) throws IOException { if (dis.readByte() != 1) { throw new StreamCorruptedException("File format not recognised"); } // group String groupId = dis.readUTF(); if (!"TZDB".equals(groupId)) { throw new StreamCorruptedException("File format not recognised"); } // versions int versionCount = dis.readShort(); for (int i = 0; i < versionCount; i++) { versionId = dis.readUTF(); } // regions int regionCount = dis.readShort(); String[] regionArray = new String[regionCount]; for (int i = 0; i < regionCount; i++) { regionArray[i] = dis.readUTF(); } regionIds = A
Assistant: