/** 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) {

            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 multimap().containsEntry(entry.getKey(), entry.getValue());
      }
      return false;
    }

    @Override
    public boolean remove(@Nullable Object o) {
      if (o instanceof Map.Entry) {
        Map.Entry<?, ?> entry = (Map.Entry<?, ?>) o;
        return multimap().remove(entry.getKey(), entry.getValue());
      }
      return false;
    }

    @Override

        return multimap().containsEntry(entry.getKey(), entry.getValue());
      }
      return false;
    }

    @Override
    public boolean remove(@Nullable Object o) {
      if (o instanceof Map.Entry) {
        Map.Entry<?, ?> entry = (Map.Entry<?, ?>) o;
        return multimap().remove(entry.getKey(), entry.getValue());
      }
      return false;
    }

    @Override

        final Set<String> doubleFieldSet = getIndexAdminDoubleFieldSet();

        return source.entrySet().stream().filter(e -> isNonEmptyValue(e.getValue())).map(e -> {
            final String key = e.getKey();
            Object value = e.getValue();
            if (arrayFieldSet.contains(key)) {
                if (value instanceof String[]) {
                    value = Arrays.stream((String[]) value).toList();

    assertThat(result.keySet()).containsExactlyElementsIn(asList(lookupKeys));
    for (Entry<Object, Object> entry : result.entrySet()) {
      Object key = entry.getKey();
      Object value = entry.getValue();
      assertSame(value, result.get(key));
      assertNull(result.get(value));
      assertSame(value, cache.asMap().get(key));
      assertSame(key, cache.asMap().get(value));
    }
  }