* this method returns a {@link List}, instead of the {@link java.util.Collection} specified in
   * the {@link Multimap} interface.
   */
  @Override
  List<V> get(@ParametricNullness K key);

  /**
   * {@inheritDoc}
   *
   * <p>Because the values for a given key may have duplicates and follow the insertion ordering,
   * this method returns a {@link List}, instead of the {@link java.util.Collection} specified in

   * this method returns a {@link List}, instead of the {@link java.util.Collection} specified in
   * the {@link Multimap} interface.
   */
  @Override
  List<V> get(@ParametricNullness K key);

  /**
   * {@inheritDoc}
   *
   * <p>Because the values for a given key may have duplicates and follow the insertion ordering,
   * this method returns a {@link List}, instead of the {@link java.util.Collection} specified in

            return null;
        }

        /**
         * Creates a list from an array of configuration ID values.
         *
         * @param values array of configuration ID strings
         * @return list containing all values from the array
         */
        private static List<String> createConfigIdList(final String[] values) {
            final List<String> idList = new ArrayList<>();

                    .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());

        final List<String> list = new ArrayList<String>();
        traverser.forEach((ResourceHandler) (path, is) -> list.add(path));
        list.sort((s1, s2) -> s1.compareTo(s2));
        assertThat(list.size(), is(2));
        assertThat(list.get(0), is("junit/textui/ResultPrinter.class"));
        assertThat(list.get(1), is("junit/textui/TestRunner.class"));
    }

    /**

        protected void mergePluginContainer_Plugins(
                PluginContainer target, PluginContainer source, boolean sourceDominant, Map<Object, Object> context) {
            List<Plugin> src = source.getPlugins();
            if (!src.isEmpty()) {
                List<Plugin> tgt = target.getPlugins();
                Map<Object, Plugin> master = new LinkedHashMap<>(tgt.size() * 2);

                for (Plugin element : tgt) {

                }
        */

        return new VersionRange(version, restrictions);
    }

    private List<Restriction> intersection(List<Restriction> r1, List<Restriction> r2) {
        List<Restriction> restrictions = new ArrayList<>(r1.size() + r2.size());
        Iterator<Restriction> i1 = r1.iterator();
        Iterator<Restriction> i2 = r2.iterator();

     * it will return an empty list of changes.
     *
     * @return changes since the last invocation
     * @throws CIFSException if an error occurs retrieving file notifications
     */
    List<FileNotifyInformation> watch() throws CIFSException;

    /**
     * {@inheritDoc}
     *
     * @see java.util.concurrent.Callable#call()
     */
    @Override
    List<FileNotifyInformation> call() throws CIFSException;

@Deprecated(since = "4.0.0")
public class SettingsBuildingException extends Exception {

    private final List<SettingsProblem> problems;

    /**
     * Creates a new exception with the specified problems.
     *
     * @param problems The problems that cause this exception, may be {@code null}.
     */
    public SettingsBuildingException(List<SettingsProblem> problems) {
        super(toMessage(problems));

            }
        }
        return Optional.empty();
    }

    protected Optional<List<String>> collectListIfPresentOrEmpty(Function<O, Optional<List<String>>> getter) {
        int had = 0;
        ArrayList<String> items = new ArrayList<>();
        for (O option : options) {
            Optional<List<String>> o = getter.apply(option);
            if (o.isPresent()) {
                had++;