* The handler receives the entry name excluding the prefix. For example, if the Jar file contains <code>/WEB-INF/classes/ccc/ddd/Eee.class</code>,
     * the handler receives the package name <code>ccc.ddd</code> and the class name <code>Eee</code>.
     * </p>
     *
     * @param jarFile the Jar file (must not be {@literal null})
     * @param handler the handler to process classes (must not be {@literal null})

     * </p>
     *
     * @param rootDir the root directory (must not be {@literal null})
     * @param baseDirectory the base directory

        final Map<String, Object> dataMap = Map.of(//
                "foo", new String[] { "aaa", "bbb" }, //
                "bar", new String[] { "ccc", "ddd" }, //
                "baz", new String[] { "eee", "fff" });
        final Map<String, Object> resultMap = transformer.processFieldConfigs(dataMap, fieldConfigs);
        assertEquals("aaa", ((String[]) resultMap.get("foo"))[0]);

        final Map<String, Object> dataMap = Map.of(//
                "foo", new String[] { "aaa", "bbb" }, //
                "bar", new String[] { "ccc", "ddd" }, //
                "baz", new String[] { "eee", "fff" });
        final Map<String, Object> resultMap = transformer.processFieldConfigs(dataMap, fieldConfigs);
        assertEquals("aaa", ((String[]) resultMap.get("foo"))[0]);

    val lastModifiedDate = Date(System.currentTimeMillis() + TimeUnit.HOURS.toMillis(-1))
    val servedDate = Date(System.currentTimeMillis() + TimeUnit.HOURS.toMillis(-2))
    val dateFormat: DateFormat = SimpleDateFormat("EEE dd-MMM-yyyy HH:mm:ss z", Locale.US)
    dateFormat.timeZone = TimeZone.getTimeZone("America/New_York")
    val lastModifiedString = dateFormat.format(lastModifiedDate)
    val servedString = dateFormat.format(servedDate)

     * @return The parsed date, or null if parsing fails
     */
    protected Date parseLastModifiedDate(final String value) {
        final SimpleDateFormat sdf = new SimpleDateFormat("EEE, d MMM yyyy HH:mm:ss Z", Locale.ENGLISH);
        try {
            return sdf.parse(value);
        } catch (final ParseException e) {
            return null;
        }
    }

    /**