}

  /**
   * Returns {@code true} if the given string is null or is the empty string.
   *
   * <p>Consider normalizing your string references with {@link #nullToEmpty}. If you do, you can
   * use {@link String#isEmpty()} instead of this method, and you won't need special null-safe forms
   * of methods like {@link String#toUpperCase} either. Or, if you'd like to normalize "in the other

      return new KeyIterator();
    }

    @Override
    public int size() {
      return MapMakerInternalMap.this.size();
    }

    @Override
    public boolean isEmpty() {
      return MapMakerInternalMap.this.isEmpty();
    }

    @Override
    public boolean contains(Object o) {
      return MapMakerInternalMap.this.containsKey(o);
    }

    @Override

    return keyOrNull(higherEntry(key));
  }

  @Override
  public @Nullable Entry<K, V> firstEntry() {
    return isEmpty() ? null : entrySet().asList().get(0);
  }

  @Override
  public @Nullable Entry<K, V> lastEntry() {
    return isEmpty() ? null : entrySet().asList().get(size() - 1);
  }

  /**
   * Guaranteed to throw an exception and leave the map unmodified.
   *

    return new EntrySet();
  }

  @Override
  int distinctElements() {
    return countMap.size();
  }

  @Override
  public boolean isEmpty() {
    return countMap.isEmpty();
  }

  @Override
  Iterator<Entry<E>> entryIterator() {
    // AbstractIterator makes this fairly clean, but it doesn't support remove(). To support

                }
                break;
            case WitnessAsyncNotifyMessage.WitnessNotificationMessage.WITNESS_IP_CHANGE:
                if (message.getIpAddresses() != null && !message.getIpAddresses().isEmpty()) {
                    notification.setNewNodeAddress(message.getIpAddresses().get(0));
                }
                break;
            }

        void shouldHavePredefinedPluginUpgrades() throws Exception {
            List<PluginUpgrade> upgrades = PluginUpgradeStrategy.getPluginUpgrades();

            assertFalse(upgrades.isEmpty(), "Should have predefined plugin upgrades");

            // Verify some expected plugins are included
            boolean hasCompilerPlugin =

     */
    private int checkHeaderComment(List<String> commentLines) {
        if (getHeader() == null && layout.isEmpty()) {
            // This is the first comment. Search for blank lines.
            int index = commentLines.size() - 1;
            while (index >= 0 && !commentLines.get(index).isEmpty()) {
                index--;
            }
            setHeader(new ArrayList<String>(commentLines.subList(0, index + 1)));

     */
    private int checkHeaderComment(List<String> commentLines) {
        if (getHeader() == null && layout.isEmpty()) {
            // This is the first comment. Search for blank lines.
            int index = commentLines.size() - 1;
            while (index >= 0 && !commentLines.get(index).isEmpty()) {
                index--;
            }
            setHeader(new ArrayList<String>(commentLines.subList(0, index + 1)));

        // Test with empty environment
        Hashtable<String, String> emptyEnv = new Hashtable<>();
        LdapUser user = new LdapUser(emptyEnv, "user");
        assertTrue(user.getEnvironment().isEmpty());
    }

    @Test
    public void test_getPermissions_withoutLdapConfig() {
        // Test when baseDn or accountFilter is blank
        ComponentUtil.setFessConfig(new FessConfig.SimpleImpl() {

    get() = gradleProperty(JAVA_INSTALLATIONS_PATHS_PROPERTY)

val Project.flakyTestStrategy: FlakyTestStrategy
    get() = gradleProperty(FLAKY_TEST).let {
        if (it.getOrElse("").isEmpty()) {
            return FlakyTestStrategy.INCLUDE
        } else {
            return FlakyTestStrategy.valueOf(it.get().toUpperCaseAsciiOnly())
        }
    }