*/
    @Test
    public void testAddAll() throws Exception {
        final String[] array = new String[] { "111" };
        final String[] newArray = ArrayUtil.add(array, "222");
        assertThat(newArray.length, is(2));
        assertThat(newArray[0], is("111"));
        assertThat(newArray[1], is("222"));

        final String[] emptyArray = new String[0];

    private static final Logger logger = LogManager.getLogger(FileSystemClient.class);

    /** Key for file attribute view in metadata */
    public static final String FILE_ATTRIBUTE_VIEW = "fileAttributeView";

    /** Key for file user in metadata */
    public static final String FS_FILE_USER = "fsFileUser";

    /** Key for file groups in metadata */
    public static final String FS_FILE_GROUPS = "fsFileGroups";

  static final RuntimeException RUNTIME_EXCEPTION = new RuntimeException();
  static final OtherThrowable OTHER_THROWABLE = new OtherThrowable();
  static final Future<String> FAILED_FUTURE_OTHER_THROWABLE =
      immediateFailedFuture(OTHER_THROWABLE);
  static final Error ERROR = new Error("mymessage");
  static final Future<String> FAILED_FUTURE_ERROR = immediateFailedFuture(ERROR);

     */
    public PathMappingHelper() {
        super();
    }

    private static final Logger logger = LogManager.getLogger(PathMappingHelper.class);

    /** Function matcher for encode URL. */
    protected static final String FUNCTION_ENCODEURL_MATCHER = "function:encodeUrl";

    /** Groovy matcher prefix. */
    protected static final String GROOVY_MATCHER = "groovy:";

    /** Map of path mappings by process type. */

     * @see ConcurrentHashMap#putIfAbsent(Object, Object)
     */
    public static <K, V> V putIfAbsent(final ConcurrentMap<K, V> map, final K key, final V value) {
        final V exists = map.putIfAbsent(key, value);
        if (exists != null) {
            return exists;
        }
        return value;
    }

    /**

        final Properties outProperties = new Properties();
        outProperties.setProperty("a", "A");
        final File file = tempFolder.newFile("hoge.properties");
        final FileOutputStream outputStream = OutputStreamUtil.create(file);
        PropertiesUtil.store(outProperties, outputStream, "comments");
        CloseableUtil.close(outputStream);
        final Properties properties = new Properties();

     */
    protected void searchPaging(final RenderData data, final SearchForm form) {
        RenderDataUtil.register(data, "userItems", userService.getUserList(userPager)); // page navi
        // restore from pager
        copyBeanToBean(userPager, form, op -> op.include("id"));
    }

    private void registerForms(final RenderData data) {

     */
    public final void setAdditionalInformation(final int additionalInformation) {
        this.additionalInformation = additionalInformation;
    }

    /**
     * Sets the query flags for the information request
     *
     * @param queryFlags
     *            the queryFlags to set
     */
    public final void setQueryFlags(final int queryFlags) {
        this.queryFlags = queryFlags;

     * @param encoding the encoding of the child URLs
     */
    protected void storeChildUrls(final CrawlerContext crawlerContext, final Set<RequestData> childUrlList, final String url,
            final int depth, final String encoding) {
        // add url and filter
        final Set<String> urlSet = new HashSet<>();
        final List<UrlQueue<?>> childList = childUrlList.stream()

    public void functionScore(OperatorCall<JobLogCQ> queryLambda, ScoreFunctionCall<ScoreFunctionCreator<JobLogCQ>> functionsLambda,
            final ConditionOptionCall<FunctionScoreQueryBuilder> opLambda) {
        JobLogCQ cq = new JobLogCQ();
        queryLambda.callback(cq);
        final Collection<FilterFunctionBuilder> list = new ArrayList<>();
        if (functionsLambda != null) {