/** Clears the reference queues used by this segment, if any. */
    void maybeClearReferenceQueues() {}

    /** Sets the value of the given {@code entry}. */
    void setValue(E entry, V value) {
      this.map.entryHelper.setValue(self(), entry, value);
    }

    /** Returns a copy of the given {@code entry}. */
    @Nullable E copyEntry(E original, E newNext) {

    assertThat(entry.getValue()).isEqualTo("World");
    assertTrue(iter.hasNext());

    entry = iter.next();
    assertThat(entry.getKey()).isEqualTo("first");
    assertThat(entry.getValue()).isEqualTo("second");
    assertTrue(iter.hasNext());

    entry = iter.next();
    assertThat(entry.getKey()).isEqualTo("polygene");
    assertThat(entry.getValue()).isEqualTo("lubricants");

    /** Clears the reference queues used by this segment, if any. */
    void maybeClearReferenceQueues() {}

    /** Sets the value of the given {@code entry}. */
    void setValue(E entry, V value) {
      this.map.entryHelper.setValue(self(), entry, value);
    }

    /** Returns a copy of the given {@code entry}. */
    @Nullable E copyEntry(E original, E newNext) {

                if (comment.startsWith("googleoff:")) {
                    flag.setValue(false);
                } else if (comment.startsWith("googleon:")) {
                    flag.setValue(true);
                }
            }

            if (!flag.getValue() && childNode.getNodeType() == Node.TEXT_NODE) {
                if (removedNodeList == null) {

                    final String redirectLocation;
                    if (locationHeader.getValue().startsWith("/")) {
                        redirectLocation = constructRedirectLocation(url, locationHeader.getValue());
                    } else {
                        redirectLocation = locationHeader.getValue();
                    }
                    responseData.setRedirectLocation(redirectLocation);

                    final String redirectLocation;
                    if (locationHeader.getValue().startsWith("/")) {
                        redirectLocation = constructRedirectLocation(url, locationHeader.getValue());
                    } else {
                        redirectLocation = locationHeader.getValue();
                    }
                    responseData.setRedirectLocation(redirectLocation);

            for (final Map<String, Object> doc : docList) {
                final String urlObj = DocumentUtil.getValue(doc, fessConfig.getIndexFieldUrl(), String.class);
                if (urlObj != null && urlList.contains(urlObj)) {
                    final String docIdObj = DocumentUtil.getValue(doc, fessConfig.getIndexFieldDocId(), String.class);
                    if (docIdObj != null) {

        String title = DocumentUtil.getValue(document, fessConfig.getIndexFieldTitle(), String.class);
        if (StringUtil.isBlank(title)) {
            title = DocumentUtil.getValue(document, fessConfig.getIndexFieldFilename(), String.class);
            if (StringUtil.isBlank(title)) {
                title = DocumentUtil.getValue(document, fessConfig.getIndexFieldUrl(), String.class);
            }

        return delegate().getKey();
      }
    }

    @Override
    public V getValue() {
      synchronized (mutex) {
        return delegate().getValue();
      }
    }

    @Override
    public V setValue(V value) {
      synchronized (mutex) {
        return delegate().setValue(value);
      }
    }

        return delegate().getKey();
      }
    }

    @Override
    public V getValue() {
      synchronized (mutex) {
        return delegate().getValue();
      }
    }

    @Override
    public V setValue(V value) {
      synchronized (mutex) {
        return delegate().setValue(value);
      }
    }