for (O option : options) {
            Optional<T> o = getter.apply(option);
            if (o.isPresent()) {
                return o;
            }
        }
        return Optional.empty();
    }

    protected Optional<List<String>> collectListIfPresentOrEmpty(Function<O, Optional<List<String>>> getter) {
        int had = 0;

     */
    @Test
    public void test_constructor() {
        FessIntervalController controller = new FessIntervalController();
        assertNotNull(controller);
    }

    /**
     * Test getter and setter for delayMillisAfterProcessing
     */
    @Test
    public void test_delayMillisAfterProcessing() {
        FessIntervalController controller = new FessIntervalController();

                try {
                    popularWordsRequestBuilder.execute().getResponse().getItems().stream().forEach(item -> wordList.add(item.getText()));
                } catch (final SuggesterException e) {
                    logger.warn("Failed to generate popular words.", e);
                }

                return wordList;

        final String field = getSearchField(context.getDefaultField(), wildcardQuery.getField());
        if (Constants.DEFAULT_FIELD.equals(field)) {
            final String text = wildcardQuery.getTerm().text();
            context.addFieldLog(field, text);
            final String highlightText = StringUtils.strip(text, "*");
            if (StringUtil.isNotBlank(highlightText)) {

                relatedContentMap.put(key, pair);
            }
            if (entity.getTerm().startsWith(regexPrefix)) {
                final String regex = entity.getTerm().substring(regexPrefix.length());
                if (StringUtil.isBlank(regex)) {
                    logger.warn("Unknown regex pattern: {}", entity.getTerm());
                } else {

    /**
     * Returns the getter method.
     *
     * @return the getter method
     */
    Method getReadMethod();

    /**
     * Returns whether the property has a getter method.
     *
     * @return whether the property has a getter method
     */
    boolean hasReadMethod();

    /**
     * Returns the setter method.
     *
     * @return the setter method
     */

        // Add array first
        String[] initialArray = new String[] { "a", "b", "c" };
        transformer.putResultDataBody(dataMap, "letters", initialArray);

        // Add single value
        transformer.putResultDataBody(dataMap, "letters", "d");

        Object result = dataMap.get("letters");
        assertTrue(result instanceof Object[]);
        Object[] resultArray = (Object[]) result;

     *
     * Here we automatically accept the following cases:
     * - A setter `setX` of an upgraded property is removed
     * - A boolean `isX` of an upgraded property is removed
     * - A new getter `getX` is added, where the old getter is a boolean getter `isX` of an upgraded property
     * - A return type is changed for a getter `getX` of an upgraded property
     *

          // Canonical escaper method that only escapes lower case ASCII letters.
          @Override
          protected char @Nullable [] escape(int cp) {
            return ('a' <= cp && cp <= 'z') ? new char[] {Character.toUpperCase((char) cp)} : null;
          }

          // Inefficient implementation that defines all letters as escapable.
          @Override

    }

    /**
     * Tests that the getter for the underlying pipe resource returns the correct instance.
     */
    @Test
    public void testGetPipe() {
        assertEquals(mockPipeResource, smbPipeHandle.getPipe(), "getPipe() should return the underlying pipe resource.");
    }

    /**
     * Tests that the getter for the input stream returns the correct stream.