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

    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.

   *   <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.

/**
 * 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
}

/**

    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 =

  var i = pos
  while (i < limit) {
    if (b == address.size) return null // Too many groups.

    // Read a delimiter.
    if (i + 2 <= limit && input.startsWith("::", startIndex = i)) {
      // Compression "::" delimiter, which is anywhere in the input, including its prefix.
      if (compress != -1) return null // Multiple "::" delimiters.
      i += 2
      b += 2
      compress = b
      if (i == limit) break
    } else if (b != 0) {

				}
				if fields < 10 {
					opts := sql.WriteCSVOpts{
						FieldDelimiter: ',',
						Quote:          '"',
						QuoteEscape:    '"',
						AlwaysQuote:    false,
					}
					// Write with fixed delimiters, newlines.
					err := record.WriteCSV(&result, opts)
					if err != nil {
						t.Error(err)
					}
				}
				fields++
			}
			r.Close()
			if err != io.EOF {

			atomic.AddUint64(&globalHTTPStats.rejectedRequestsInvalid, 1)
			return
		}
		// Check for bad components in URL query values.
		for k, vv := range r.Form {
			if k == "delimiter" { // delimiters are allowed to have `.` or `..`
				continue
			}
			for _, v := range vv {
				if hasBadPathComponent(v) {
					if ok {
						tc.FuncName = "handler.ValidRequest"

        if (hasSkip) {
          return null; // Can't have more than one ::
        }
        hasSkip = true;
        partsSkipped++; // :: means we skipped an extra part in between the two delimiters.
        if (i == 0) {
          partsSkipped++; // Begins with ::, so we skipped the part preceding the first :
        }
        if (i == ipString.length() - 2) {