@Override
  public boolean retainAll(Collection<?> c) {
    assertTrue(Thread.holdsLock(mutex));
    return super.retainAll(c);
  }

  @Override
  public int size() {
    assertTrue(Thread.holdsLock(mutex));
    return super.size();
  }

  @Override
  public Object[] toArray() {
    assertTrue(Thread.holdsLock(mutex));
    return super.toArray();
  }

  @Override

    }

    @Override
    public int hashCode() {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.hashCode();
    }

    @Override
    public int size() {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.size();
    }

    @Override
    public boolean isEmpty() {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.isEmpty();
    }

    @Override

        } catch (final SQLException ex) {
            throw new SQLRuntimeException(ex);
        }
    }

    /**
     * Sets the fetch size.
     *
     * @param statement
     *            {@link Statement}. Must not be {@literal null}.
     * @param fetchSize
     *            Fetch size.
     * @see Statement#setFetchSize(int)
     */
    public static void setFetchSize(final Statement statement, final int fetchSize) {

        if (siteValue != null) {
            final String site = siteValue.toString();
            final int size = fessConfig.getResponseMaxSitePathLengthAsInteger();
            if (size > 3) {
                return StringUtils.abbreviate(site, size);
            }
            if (size >= 0) {
                return site;
            }
        }

   */
  @Override
  public int size() {
    long sum = 0L;
    for (AtomicInteger value : countMap.values()) {
      sum += value.get();
    }
    return Ints.saturatedCast(sum);
  }

  /*
   * We override the toArray methods for two reasons:
   *
   * 1. Both superclass toArray methods assume that size() gives a correct answer, while our size()

 *   <li><b>Total nodes:</b> 65535 (16-bit index in the trie)
 *   <li><b>String pool size:</b> 65535 characters (16-bit offset in the String Pool)
 *   <li><b>Max children per node:</b> 2047 (11-bit count in the bitfield)
 * </ul>
 *
 * <p>As of Jan 2026, the capacity usage is approximately:
 *
 * <ul>
 *   <li>Total nodes: ~16% (10k / 65k)
 *   <li>String pool size: ~79% (52k / 65k)
 *   <li>Max children per node: ~71% (1.5k / 2k)
 * </ul>
 *

   * encoding of each part occupies at least two bytes (dot plus label externally, length byte plus
   * label internally). Thus, if all labels have the minimum size of one byte, 127 of them will fit.
   */
  private static final int MAX_PARTS = 127;

  /**
   * Maximum length of a full domain name, including separators, and leaving room for the root

                        System.currentTimeMillis() - phaseStartTime);
                if (logger.isDebugEnabled()) {
                    logger.debug("[RAG] Phase {} completed. query={}, resultCount={}, phaseElapsedTime={}ms",
                            ChatPhaseCallback.PHASE_SEARCH, query, searchResults.size(), System.currentTimeMillis() - phaseStartTime);
                }

        Set<String> signatures = new HashSet<String>();

        for (Element tr : children(classDoc.getMethodsTable(), "tr")) {
            List<Element> cells = children(tr, "td");
            if (cells.size() != 1) {
                throw new RuntimeException(String.format("Expected 1 cell in <tr>, found: %s", tr));
            }
            String methodName = cells.get(0).getTextContent().trim();

        urlList = fessXpathTransformer.convertChildUrlList(urlList);
        assertEquals(0, urlList.size());

        urlList.clear();
        urlList.add(RequestDataBuilder.newRequestData().get().url("http://www.example.com").build());
        urlList = fessXpathTransformer.convertChildUrlList(urlList);
        assertEquals(1, urlList.size());
        assertEquals("http://www.example.com", urlList.get(0).getUrl());