logger.debug("Indexing from search word: word={}, index={}, fields={}", searchWord, index, Arrays.toString(fields));
        }

        final long start = System.currentTimeMillis();
        final StringBuilder buf = new StringBuilder(searchWord.length());
        char prev = 0;
        for (final char c : searchWord.toCharArray()) {
            if (!Character.isWhitespace(c)) {
                buf.append(c);

    checkNotNull(separator);
    if (array.length == 0) {
      return "";
    }

    // For pre-sizing a builder, just get the right order of magnitude
    StringBuilder builder = new StringBuilder(array.length * 5);
    builder.append(array[0]);
    for (int i = 1; i < array.length; i++) {
      builder.append(separator).append(array[i]);
    }
    return builder.toString();
  }

                } catch (IOException e) {
                    return toStringObject();
                }
            }

            private String toStringObject() {
                StringBuilder sb = new StringBuilder();
                sb.append("XmlNode[");
                boolean w = false;
                w = addToStringField(sb, prefix, o -> !o.isEmpty(), "prefix", w);

      boolean omitNullValuesSnapshot = omitNullValues;
      boolean omitEmptyValuesSnapshot = omitEmptyValues;
      String nextSeparator = "";
      StringBuilder builder = new StringBuilder(32).append(className).append('{');
      for (ValueHolder valueHolder = holderHead.next;
          valueHolder != null;
          valueHolder = valueHolder.next) {
        Object value = valueHolder.value;

     */
    protected String loadIndexSettings() throws IOException {
        final String dictionaryPath = System.getProperty("fess.dictionary.path", StringUtil.EMPTY);
        final StringBuilder sb = new StringBuilder();
        try (BufferedReader br = new BufferedReader(
                new InputStreamReader(this.getClass().getClassLoader().getResourceAsStream("suggest_indices/suggest_settings.json")));) {

     */
    protected <T> void insertAll(final List<T> list, final OpType opType, final boolean ignoreAlreadyExists) {
        final List<T> bufferedList = new ArrayList<>(bulkBufferSize);
        final StringBuilder failureBuf = new StringBuilder(100);
        list.stream().forEach(target -> {
            bufferedList.add(target);
            if (bufferedList.size() >= bulkBufferSize) {

                    && duplicateSessionMap.get(sessionId).plusMinutes(searchStoreInterval).isAfter(requestedAt)) {
                return;
            }

            final StringBuilder sb = new StringBuilder(100);
            final List<String> fields = new ArrayList<>();
            final List<String> tags = new ArrayList<>();
            final List<String> roles = new ArrayList<>();

            throw new DictionaryException("Failed to parse " + path, e);
        }
    }

    private String unescape(final String s) {
        if (s.indexOf('\\') >= 0) {
            final StringBuilder sb = new StringBuilder();
            for (int i = 0; i < s.length(); i++) {
                final char ch = s.charAt(i);
                if (ch == '\\' && i < s.length() - 1) {
                    i++;

        assertTrue(list.size() > 0);
    }

    @Test
    public void test_reload_withLargeFile() throws Exception {
        // Create content with many items
        StringBuilder sb = new StringBuilder();
        for (int i = 1; i <= 100; i++) {
            sb.append("test").append(i).append("\n");
        }

        // Write content to test file
        writeTestFile(sb.toString());

    Files.copy(i18nFile, out);
    assertThat(out.toString("UTF-8")).isEqualTo(I18N);
  }

  public void testCopyToAppendable() throws IOException {
    File i18nFile = getTestFile("i18n.txt");
    StringBuilder sb = new StringBuilder();
    Files.copy(i18nFile, UTF_8, sb);
    assertThat(sb.toString()).isEqualTo(I18N);
  }

  public void testCopyFile() throws IOException {
    File i18nFile = getTestFile("i18n.txt");