* @param value the value to be associated with the specified key
     * @return the previous value associated with the specified key, or the specified value if the key was not present
     * @see ConcurrentHashMap#putIfAbsent(Object, Object)
     */
    public static <K, V> V putIfAbsent(final ConcurrentMap<K, V> map, final K key, final V value) {
        final V exists = map.putIfAbsent(key, value);
        if (exists != null) {

    serverIpv6.protocols = listOf(Protocol.H2_PRIOR_KNOWLEDGE)

    // Yield the first IP address so the second IP address completes first.
    val firstConnectLatch = CountDownLatch(1)
    val socketFactory =
      object : DelegatingSocketFactory(SocketFactory.getDefault()) {
        var first = true

        override fun createSocket(): Socket {
          if (first) {
            first = false
            firstConnectLatch.await()

        validate(form, messages -> {}, () -> asHtml(path_AdminGeneral_AdminGeneralJsp));

        final String[] toAddresses = form.notificationTo.split(",");
        final Map<String, Object> dataMap = new HashMap<>();
        dataMap.put("hostname", systemHelper.getHostname());

        final FessConfig fessConfig = ComponentUtil.getFessConfig();

                    .map(AdminPluginAction::beanToMap)
                    .collect(Collectors.toList()));
        }
        return result;
    }

    /**
     * Converts an Artifact object to a Map representation.
     *
     * @param artifact the artifact to convert
     * @return map containing artifact properties
     */
    public static Map<String, String> beanToMap(final Artifact artifact) {

  /**
   * Call the {@code setCount()} method under test, but do not check its return value. Callers
   * should use this method over {@link #setCountCheckReturnValue(Object, int)} when they expect
   * {@code setCount()} to throw an exception, as checking the return value could produce an
   * incorrect error message like "setCount() should return the original count" instead of the

    return UnsignedLongs.compare(value, o.value);
  }

  @Override
  public int hashCode() {
    return Long.hashCode(value);
  }

  @Override
  public boolean equals(@Nullable Object obj) {
    if (obj instanceof UnsignedLong) {
      UnsignedLong other = (UnsignedLong) obj;
      return value == other.value;
    }
    return false;
  }

                ntlm = NtlmSsp.authenticate(req, resp, challenge);
                if (ntlm == null) {
                    return null;
                }
                /* negotiation complete, remove the challenge object */
                ssn.removeAttribute("NtlmHttpChal");
            } else {
                final String auth = new String(Base64.decode(msg.substring(6)), "US-ASCII");
                int index = auth.indexOf(':');

     *
     * @param dataMap the document data map containing URL, roles, and virtual host information
     * @return a unique hashed ID string for the document
     */
    public String generateId(final Map<String, Object> dataMap) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final String url = (String) dataMap.get(fessConfig.getIndexFieldUrl());
        final StringBuilder buf = new StringBuilder(1000);

        queryContext = new QueryContext("test", true);
        assertEquals("test", queryContext.getQueryString());

        // Verify that field logs are created
        Object fieldLogs = getMockRequest().getAttribute(Constants.FIELD_LOGS);
        assertNotNull(fieldLogs);
        assertTrue(fieldLogs instanceof Map);
    }

    // Test setQueryBuilder and getQueryBuilder

import com.google.errorprone.annotations.DoNotMock;
import java.util.concurrent.Executor;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;

/**
 * An object with an operational state, plus asynchronous {@link #startAsync()} and {@link
 * #stopAsync()} lifecycle methods to transition between states. Example services include
 * webservers, RPC servers and timers.
 *