// Copyright (c) 2015-2023 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful

     * @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(':');

    private static class CustomQuery extends Query {
        @Override
        public String toString(String field) {
            return "CustomQuery";
        }

        @Override
        public boolean equals(Object obj) {
            return obj != null && getClass() == obj.getClass();
        }

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

            sb.append(word).append(',').append(startOffset).append(',').append(endOffset).append(',').append(posInc);
            return sb.toString();
        }

        @Override
        public boolean equals(final Object other) {
            if (other == null || !(other instanceof MyToken)) {
                return false;
            }
            final MyToken o = (MyToken) other;
            if (!word.equals(o.word)) {