.desc("If project list is specified, also build projects required by the list")
                    .get());
            options.addOption(Option.builder(ALSO_MAKE_DEPENDENTS)
                    .longOpt("also-make-dependents")
                    .desc("If project list is specified, also build projects that depend on projects on the list")
                    .get());

    }

    /**
     * Retrieves a list of files and directories from the storage system.
     *
     * @param prefix the path prefix to list objects under
     * @return list of file and directory information maps
     */
    public static List<Map<String, Object>> getFileItems(final String prefix) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final List<Map<String, Object>> list = new ArrayList<>();

@Suppress("UNCHECKED_CAST")
internal fun <T> List<T>.toImmutableList(): List<T> =
  when {
    this.isEmpty() -> emptyList()

    this.size == 1 -> Collections.singletonList(this[0])

    // Collection.toArray returns Object[] (covariant).
    // It is faster than creating real T[] via reflection (Arrays.copyOf).
    else -> (this as java.util.Collection<*>).toArray().asList().unmodifiable() as List<T>
  }

    @Override
    protected List<String> create(String[] elements) {
      return ImmutableList.<String>builder().addAll(asList(elements)).build();
    }
  }

  public static class BuilderReversedListGenerator extends TestStringListGenerator {
    @Override
    protected List<String> create(String[] elements) {
      List<String> list = asList(elements);
      Collections.reverse(list);

                .toPath();
    }

    @Nonnull
    @Override
    public List<DependencyCoordinates> getDependencies() {
        return new MappedList<>(getModel().getDependencies(), this::toDependency);
    }

    @Nonnull
    @Override
    public List<DependencyCoordinates> getManagedDependencies() {

     *
     * @return The assembled toolchains, never {@code null}.
     */
    PersistedToolchains getEffectiveToolchains();

    /**
     * Return a list of problems, if any.
     *
     * @return a list of problems, never {@code null}.
     */
    List<Problem> getProblems();

    }

    /**
     * Retrieves all available artifacts from all plugin types.
     *
     * @return list of maps containing artifact information
     */
    public static List<Map<String, String>> getAllAvailableArtifacts() {
        final PluginHelper pluginHelper = ComponentUtil.getPluginHelper();
        final List<Map<String, String>> result = new ArrayList<>();

    }

    /**
     * Gets a list of access results for a specific URL.
     *
     * @param url The URL to search for.
     * @param hasData Whether to include data (currently not used in this implementation).
     * @return The list of access results.
     */
    @Override
    public List<OpenSearchAccessResult> getAccessResultList(final String url, final boolean hasData) {

    }
  }

  private static final class PermutationIterator<E> extends AbstractIterator<List<E>> {
    final List<E> list;
    final int[] c;
    final int[] o;
    int j;

    PermutationIterator(List<E> list) {
      this.list = new ArrayList<>(list);
      int n = list.size();
      c = new int[n];
      o = new int[n];
      Arrays.fill(c, 0);
      Arrays.fill(o, 1);

  private val hostAddresses: MutableMap<String, List<InetAddress>> =
    Collections.synchronizedMap(mutableMapOf())
  private val requestedHosts: MutableList<String> = Collections.synchronizedList(mutableListOf())
  private var nextAddress = 0xff000064L // 255.0.0.100 in IPv4; ::ff00:64 in IPv6.

  /** Sets the results for `hostname`.  */
  operator fun set(
    hostname: String,
    addresses: List<InetAddress>,
  ): FakeDns {