final Map<String, String> headerMap = new HashMap<>();
        provider.adjustActionResponseHeaders("application/json", (k, v) -> headerMap.put(k, v));
        assertEquals(1, headerMap.size());
        assertEquals("def", headerMap.get("X-Def"));
    }

    private FessConfig createFessConfigWithResponseHeaders(final String text) {
        return new FessConfig.SimpleImpl() {

        assertEquals(expectedNode, resolvedNode, "Resolution node");
    }

    protected Artifact createArtifact(String id, String version) throws InvalidVersionSpecificationException {
        return createArtifact(id, version, Artifact.SCOPE_COMPILE);
    }

    protected Artifact createArtifact(String id, String version, String scope)
            throws InvalidVersionSpecificationException {

    /** configParameter */
    protected String configParameter;

    /** createdBy */
    protected String createdBy;

    /** createdTime */
    protected Long createdTime;

    /** depth */
    protected Integer depth;

    /** description */
    protected String description;

    /** excludedDocUrls */
    protected String excludedDocUrls;

    /** excludedUrls */

    SortedSet<String> set = of("e", "a", "f", "b", "d", "c");
    SortedSet<String> subset = set.subSet("c", "e");
    SortedSet<String> copy = copyOf(subset);
    assertEquals(subset, copy);
  }

  public void testCopyOf_headSet() {
    SortedSet<String> set = of("e", "a", "f", "b", "d", "c");
    SortedSet<String> headset = set.headSet("d");
    SortedSet<String> copy = copyOf(headset);

    public void testConvertWithEmptyLanguageArray() throws IOException {
        // Test convert with empty language array
        converter.init();
        String text = "test";
        String field = "content";
        String[] langs = new String[0];

        List<String> readings = converter.convert(text, field, langs);

        assertNotNull(readings);
        assertEquals(1, readings.size());

    protected void checkEsInvalidAggregation(String name, Object value) {
        if (value == null || (value instanceof String && ((String) value).isEmpty())) {
            String msg = "Cannot register null or empty aggregation: name=" + name + " value=" + value;
            throw new InvalidQueryRegisteredException(msg);
        }
    }

    protected void checkEsInvalidAggregationCollection(String name, Collection<?> values) {

     * @return a SuggestItem created from the given search words and associated data
     */
    SuggestItem parseSearchWords(String[] words, String[][] readings, String[] fields, String[] tags, String[] roles, long score,
            ReadingConverter readingConverter, Normalizer normalizer, SuggestAnalyzer analyzer, String[] langs);

    /**
     * Parses the given query log and returns a list of suggest items.
     *

            String prefix,
            String fieldName,
            ModelProblemCollector problems,
            Severity severity,
            Version version,
            String string,
            String sourceHint,
            InputLocationTracker tracker) {
        if (string == null || string.length() <= 0) {
            return true;
        }

    /** configParameter */
    protected String configParameter;

    /** createdBy */
    protected String createdBy;

    /** createdTime */
    protected Long createdTime;

    /** depth */
    protected Integer depth;

    /** description */
    protected String description;

    /** excludedDocPaths */
    protected String excludedDocPaths;

    /** excludedPaths */

    protected Map<String, String> handlerParameterMap;

    protected Map<String, String> handlerScriptMap;

    protected CrawlerClientFactory crawlerClientFactory = null;

    protected Map<ConfigName, Map<String, String>> configParameterMap;

    public DataConfig() {
        setBoost(1.0f);
    }

    @Override
    public String getDocumentBoost() {
        return getBoost().toString();