this.zterm = zterm;
    }

    /**
     * Constructs a UnicodeString from a Java String.
     *
     * @param str wrapped string
     * @param zterm whether the string should be zero terminated
     */
    public UnicodeString(final String str, final boolean zterm) {
        this.zterm = zterm;

        final int len = str.length();
        final int zt = zterm ? 1 : 0;

 */
@Deprecated(since = "4.0.0")
public class StringSource implements Source {
    private final String content;

    private final String location;

    private final int hashCode;

    /**
     * Creates a new source backed by the specified string.
     *
     * @param content The String representation, may be empty or {@code null}.
     */
    public StringSource(CharSequence content) {

    byte[] key = fillByteArray(80, 0xaa);
    String data = "Test Using Larger Than Block-Size Key and Larger Than One Block-Size Data";

    checkMd5("6f630fad67cda0ee1fb1f562db3aa53e", key, data);
  }

  private static void checkSha1(String expected, byte[] key, String data) {
    checkSha1(expected, key, data.getBytes(UTF_8));
  }

  private static void checkSha1(String expected, byte[] key, byte[] data) {

    }

    /**
     * Returns an iterator over the lines in the string. If the string ends in a newline, a final
     * empty string is not included, to match the behavior of BufferedReader/LineReader.readLine().
     */
    private Iterator<String> linesIterator() {
      return new AbstractIterator<String>() {
        final Iterator<String> lines = LINE_SPLITTER.split(seq).iterator();

        @Override

    }

    /**
     * Returns an iterator over the lines in the string. If the string ends in a newline, a final
     * empty string is not included, to match the behavior of BufferedReader/LineReader.readLine().
     */
    private Iterator<String> linesIterator() {
      return new AbstractIterator<String>() {
        final Iterator<String> lines = LINE_SPLITTER.split(seq).iterator();

        @Override

        /** Bug report properties. */
        protected List<Map<String, String>> bugReportProps;

        /**
         * Sets the environment properties.
         * @param envProps The environment properties.
         * @return This ApiSystemInfoResponse instance.
         */
        public ApiSystemInfoResponse envProps(final List<Map<String, String>> envProps) {
            this.envProps = envProps;

        Map<String, Object> doc3 = new HashMap<>();
        doc3.put("title", "Doc3");
        assertEquals(-1, qrList.indexOf(doc3));
    }

    public void test_listOperations_iterators() {
        List<Map<String, Object>> documentList = new ArrayList<>();
        Map<String, Object> doc1 = new HashMap<>();
        doc1.put("title", "Doc1");
        Map<String, Object> doc2 = new HashMap<>();
        doc2.put("title", "Doc2");

            // build highlighting fields
            final String hlPrefix = ComponentUtil.getQueryHelper().getHighlightPrefix();
            for (final SearchHit searchHit : searchHits.getHits()) {
                final Map<String, Object> docMap = parseSearchHit(fessConfig, hlPrefix, searchHit);

                if (fessConfig.isResultCollapsed()) {
                    final Map<String, SearchHits> innerHits = searchHit.getInnerHits();

                    && field.getType() == String.class && field.getName().startsWith("LABELS_")) {

                field.setAccessible(true);
                String value = (String) field.get(null);

                // Convert field name to expected value
                String fieldNamePart = field.getName().substring("LABELS_".length());
                String expectedValuePart = fieldNamePart.toLowerCase()

        }
    }

    public void scriptedMetric(String name, ConditionOptionCall<ScriptedMetricAggregationBuilder> opLambda) {
        ScriptedMetricAggregationBuilder builder = regScriptedMetricA(name);
        if (opLambda != null) {
            opLambda.callback(builder);
        }
    }

    public void topHits(String name, ConditionOptionCall<TopHitsAggregationBuilder> opLambda) {