* items that have the same ID. The merged items are added to a new list, which is then
     * converted back to an array and returned.</p>
     *
     * @param items an array of SuggestItem objects to be merged
     * @return an array of merged SuggestItem objects
     */
    default SuggestItem[] mergeItems(final SuggestItem[] items) {
        final Set<String> mergedIdSet = new HashSet<>();

      Bound to) {
    TestSortedSetGenerator<E> delegate =
        (TestSortedSetGenerator<E>) parentBuilder.getSubjectGenerator().getInnerGenerator();

    List<Feature<?>> features = new ArrayList<>(parentBuilder.getFeatures());
    Set<Method> suppressing = new HashSet<>(parentBuilder.getSuppressedTests());
    features.add(CollectionFeature.SUBSET_VIEW);
    if (features.remove(CollectionFeature.ALLOWS_NULL_VALUES)) {

    Set<Feature<?>> features = computeMultimapAsMapGetFeatures(parentBuilder.getFeatures());
    if (Collections.disjoint(features, EnumSet.allOf(CollectionSize.class))) {
      return new TestSuite();
    } else {
      return ListTestSuiteBuilder.using(
              new MultimapAsMapGetGenerator<K, V>(parentBuilder.getSubjectGenerator()))
          .withFeatures(features)
          .named(parentBuilder.getName() + ".asMap[].get[key]")

        HashMap<String, String> map = new HashMap<>();
        for (String key : properties.stringPropertyNames()) {
            map.put(key, properties.getProperty(key));
        }
        return map;
    }

    @Nonnull
    public static Properties toProperties(Map<String, String> properties) {
        requireNonNull(properties, "properties");
        Properties map = new Properties();

        runner.close();
        runner.clean();
    }

    @Before
    public void setUp() {
        builder = new SuggestSettingsBuilder();
    }

    @Test
    public void testConstructor() {
        // Test default constructor
        SuggestSettingsBuilder testBuilder = new SuggestSettingsBuilder();
        assertNotNull(testBuilder);
        assertEquals("fess_suggest", testBuilder.settingsIndexName);

            len--;
            final int size = len * 2;
            try {
                if (size < 0 || size > 0xFFFF) {
                    throw new NdrException(NdrException.INVALID_CONFORMANCE);
                }
                val = new String(buf, i, size, "UTF-16LE");
                i += size + 2;
            } catch (final UnsupportedEncodingException uee) {}
        }
        advance(i - index);

        verifyTokenKeep(() -> asListHtml(this::saveToken));

        String header = null;
        final StringBuilder buf = new StringBuilder(1000);
        try (final BufferedReader reader = new BufferedReader(new InputStreamReader(form.requestFile.getInputStream(), Constants.UTF_8))) {
            header = ReaderUtil.readLine(reader);
            if (header == null) {

                }
            }
        }
    }

    public static String formatTimestamp(long timestamp) {
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssXXX");
        return sdf.format(new Date(timestamp));
    }

    public static String formatDuration(long duration) {
        // CHECKSTYLE_OFF: MagicNumber
        long ms = duration % 1000;

        }
        dictionaryManager.addCreator(this);
    }

    /**
     * Creates a new {@link StopwordsFile} instance.
     *
     * @param id        The unique identifier for the dictionary file.
     * @param path      The file path of the dictionary.
     * @param timestamp The last modified timestamp of the file.
     * @return A new {@link StopwordsFile} associated with the dictionary manager.
     */
    @Override

     * @param prefix the prefix.
     * @param root the root of the graph.
     */
    public PrefixedObjectValueSource(String prefix, Object root) {
        super(new PrefixedValueSourceWrapper(new ObjectBasedValueSource(root), prefix));
    }

    /**
     * Wrap the specified root object, allowing the specified list of expression