if (directory.exists() && directory.isDirectory()) {
                        final File[] files = directory.listFiles(File::isDirectory);
                        if (files != null) {
                            for (final File file : files) {
                                final String name = file.getName();
                                subPackages.add(name);

            String[] alphabets;
            if (i + 1 < text.length() && CONVERT_MAP.get(text.substring(i, i + 2)) != null) {
                alphabets = CONVERT_MAP.get(text.substring(i, i + 2));
                i += 2;
            } else {
                if (CONVERT_MAP.get(text.substring(i, i + 1)) != null) {
                    alphabets = CONVERT_MAP.get(text.substring(i, i + 1));
                } else {

     * @param millis The maximum time to wait in milliseconds. A value of 0 means wait indefinitely.
     */
    public void awaitTermination(final long millis) {
        if (parentThread != null) {
            try {
                if (logger.isDebugEnabled()) {
                    logger.debug("Waiting for crawler termination: thread={}, timeout={}ms", parentThread.getName(), millis);
                }

                    throwValidationError(messages -> messages.addErrorsFailedToDownloadStopwordsFile(GLOBAL),
                            () -> downloadpage(form.dictId));
                    return null;
                });
    }

    // -----------------------------------------------------
    //                                                Upload
    //                                               -------

        verify(watchHandle, times(3)).watch();
    }

    /**
     * Test watch() returning null (cancelled scenario)
     */
    @Test
    void testWatchReturnsNull() throws CIFSException {
        // Setup mock behavior
        when(watchHandle.watch()).thenReturn(null);

        // Execute
        List<FileNotifyInformation> result = watchHandle.watch();

        // Verify

         *
         * @return A processed string with terms and spaces, or an empty string if the reader is null or an IOException occurs.
         */
        public String execute() {
            if (reader == null) {
                return StringUtil.EMPTY;
            }
            final StringBuilder buf = new StringBuilder(initialCapacity);

        .Builder()
        .url("https://square.com")
        .tag("a" as Any)
        .tag(null)
        .build()
    assertThat(request.tag<Any>()).isNull()
  }

  @Test
  fun removeAbsentTag() {
    val request =
      Request
        .Builder()
        .url("https://square.com")
        .tag(null)
        .build()
    assertThat(request.tag<String>()).isNull()
  }

  @Test

   *
   * @since 11.0
   */
  /*
   * <? extends Object> is mostly the same as <?> to plain Java. But to nullness checkers, they
   * differ: <? extends Object> means "non-null types," while <?> means "all types."
   */
  @Override
  public ImmutableMap<K, V> getAllPresent(Iterable<? extends Object> keys) {
    Map<K, V> result = new LinkedHashMap<>();
    for (Object key : keys) {

   * character. This has the effect of creating an escaper which has no well-defined inverse but it
   * can be useful when escaping additional characters.
   *
   * @param safeChars a non-null string specifying additional safe characters for this escaper (the
   *     ranges 0..9, a..z and A..Z are always safe and should not be specified here)

			} else {
				return errNonNumericArg(funcName)
			}
		}
	}

	// Mark that we have seen one non-null value.
	isFirstRow := false
	if !e.aggregate.seen {
		e.aggregate.seen = true
		isFirstRow = true
	}

	switch funcName {
	case aggFnCount:
		// For all non-null values, the count is incremented.
		e.aggregate.runningCount++

	case aggFnAvg, aggFnSum:
		e.aggregate.runningCount++