super(indexSettings, settings, name);
        ignoreCase = settings.getAsBoolean("ignore_case", true);
        n = settings.getAsInt("n", NGramSynonymTokenizer.DEFAULT_N_SIZE);
        delimiters = settings.get("delimiters", NGramSynonymTokenizer.DEFAULT_DELIMITERS);
        expand = settings.getAsBoolean("expand", true);

        settings.getAsBoolean("expand_ngram", false); // TODO remove

 * <td>{@link DateFormat#SHORT} format without delimiters</td>
 * <td>{@literal HHmm}</td>
 * </tr>
 * <tr>
 * <td>{@link DateFormat#MEDIUM} format without delimiters</td>
 * <td>{@literal HHmmss}</td>
 * </tr>
 * <tr>
 * <td>{@link DateFormat#LONG} format without delimiters</td>
 * <td>{@literal HHmmss z}</td>
 * </tr>
 * <tr>
 * <td>{@link DateFormat#FULL} format without delimiters</td>
 * <td>{@literal HHmmss z}</td>
 * </tr>

 * <td>{@link DateFormat#SHORT} format without delimiters</td>
 * <td>{@literal yyMMdd}</td>
 * </tr>
 * <tr>
 * <td>{@link DateFormat#MEDIUM} format without delimiters</td>
 * <td>{@literal yyyyMMdd}</td>
 * </tr>
 * <tr>
 * <td>{@link DateFormat#LONG} format without delimiters</td>
 * <td>{@literal yyyyMMdd}</td>
 * </tr>
 * <tr>
 * <td>{@link DateFormat#FULL} format without delimiters</td>
 * <td>{@literal yyyyMMdd}</td>
 * </tr>

            }
            return Byte.valueOf((byte) 0);
        }
        return o;
    }

    /**
     * Removes delimiters.
     *
     * @param value
     *            String value
     * @param locale
     *            Locale
     * @return String result with delimiters removed
     */
    public static String removeDelimeter(String value, final Locale locale) {

/**
 * Returns the index of the first character in this string that contains a character in
 * [delimiters]. Returns endIndex if there is no such character.
 */
fun String.delimiterOffset(
  delimiters: String,
  startIndex: Int = 0,
  endIndex: Int = length,
): Int {
  for (i in startIndex until endIndex) {
    if (this[i] in delimiters) return i
  }
  return endIndex
}

/**

    protected NGramSynonymTokenizer(final int n, final String delimiters, final boolean expand, final boolean ignoreCase,
            final SynonymLoader synonymLoader) {
        this.n = n;
        this.delimiters = delimiters;
        this.expand = expand;
        this.ignoreCase = ignoreCase;
        if (synonymLoader != null) {

   *   <li>The alphanumeric characters "a" through "z", "A" through "Z" and "0" through "9" remain
   *       the same.
   *   <li>The unreserved characters ".", "-", "~", and "_" remain the same.
   *   <li>The general delimiters "@" and ":" remain the same.
   *   <li>The subdelimiters "!", "$", "&amp;", "'", "(", ")", "*", "+", ",", ";", and "=" remain
   *       the same.
   *   <li>The space character " " is converted into %20.

		n++
	} else {
		n, err = rr.reader.Read(p)
	}

	if err != nil {
		return n, err
	}

	// Do nothing if record-delimiter is already newline.
	if string(rr.recordDelimiter) == "\n" {
		return n, nil
	}

	// Change record delimiters to newline.
	if len(rr.recordDelimiter) == 1 {
		for idx := 0; idx < len(p); {
			i := bytes.Index(p[idx:], rr.recordDelimiter)
			if i < 0 {
				break

            return null;
        }
    }

    /**
     * Converts the pattern string to a plain pattern string without delimiters.
     *
     * @param pattern
     *            The pattern string.
     * @return The plain pattern string without delimiters.
     */
    protected static String toPlainPattern(final String pattern) {
        final StringBuilder buf = new StringBuilder(pattern.length());

    assertThat(m).isEqualTo(expected);
    assertThat(m.entrySet()).containsExactlyElementsIn(expected.entrySet()).inOrder();
  }

  public void testMapSplitter_characterSeparator() {
    // try different delimiters.
    Map<String, String> m =
        Splitter.on(",").withKeyValueSeparator(':').split("boy:tom,girl:tina,cat:kitty,dog:tommy");
    ImmutableMap<String, String> expected =