}

  private static final class JdkMatcher extends CommonMatcher {
    final Matcher matcher;

    JdkMatcher(Matcher matcher) {
      this.matcher = Preconditions.checkNotNull(matcher);
    }

    @Override
    public boolean matches() {
      return matcher.matches();
    }

    @Override
    public boolean find() {
      return matcher.find();
    }

    @Override
    public boolean find(int index) {

    assertTrue(matcher.matches(s.charAt(0)));
    assertTrue(matcher.apply(s.charAt(0)));
    assertEquals(0, matcher.indexIn(s));
    assertEquals(0, matcher.indexIn(s, 0));
    assertEquals(-1, matcher.indexIn(s, 1));
    assertEquals(0, matcher.lastIndexIn(s));
    assertTrue(matcher.matchesAnyOf(s));
    assertTrue(matcher.matchesAllOf(s));
    assertFalse(matcher.matchesNoneOf(s));

    private val excludePackagePatterns = listOf(Pattern.compile(".+\\.internal(\\..+)?"))

    fun isPublicApiPackage(packageName: String) =
        includePackagePatterns.any { it.matcher(packageName).matches() } &&
            !excludePackagePatterns.any { it.matcher(packageName).matches() }

            final Matcher matcher = pattern.matcher(v.trim());
            if (matcher.matches()) {
                final PrunedTag tag = new PrunedTag(matcher.group(1));
                if (matcher.group(2) != null) {
                    final String attrPair = matcher.group(2).substring(1, matcher.group(2).length() - 1);

  }

  private static final class JdkMatcher extends CommonMatcher {
    final Matcher matcher;

    JdkMatcher(Matcher matcher) {
      this.matcher = Preconditions.checkNotNull(matcher);
    }

    @Override
    public boolean matches() {
      return matcher.matches();
    }

    @Override
    public boolean find() {
      return matcher.find();
    }

    @Override
    public boolean find(int index) {

		port := retrieveListenerPort(l)
		if filter.Verbose {

			matches := retrieveListenerMatches(l)
			sort.Slice(matches, func(i, j int) bool {
				return matches[i].destination > matches[j].destination
			})
			for _, match := range matches {
				if includeConfigType {
					name := fmt.Sprintf("listener/%s", l.Name)

    checkArgument(
        !separatorPattern.matcher("").matches(),
        "The pattern may not match the empty string: %s",
        separatorPattern);

    return new Splitter(
        new Strategy() {
          @Override
          public SplittingIterator iterator(final Splitter splitter, CharSequence toSplit) {
            final CommonMatcher matcher = separatorPattern.matcher(toSplit);

      var month = -1
      var year = -1
      val matcher = TIME_PATTERN.matcher(s)

      while (pos < limit) {
        val end = dateCharacterOffset(s, pos + 1, limit, true)
        matcher.region(pos, end)

        when {
          hour == -1 && matcher.usePattern(TIME_PATTERN).matches() -> {
            hour = matcher.group(1).toInt()
            minute = matcher.group(2).toInt()

            if (obj != null) {
                value = obj.toString();
            }
            final Matcher matcher = entry.getValue().matcher(value);
            if (allRequired) {
                if (!matcher.matches()) {
                    return false;
                }
            } else if (matcher.matches()) {
                return true;
            }
        }

        return allRequired;
    }

}

func extractMatchedSelectorInfo(ls *metav1.LabelSelector, objLabels map[string]string) (matched bool, injLabel string) {
	if ls == nil {
		return true, ""
	}
	selector, err := metav1.LabelSelectorAsSelector(ls)
	if err != nil {
		return false, ""
	}
	matched = selector.Matches(labels.Set(objLabels))
	if !matched {
		return matched, ""
	}
	for _, me := range ls.MatchExpressions {
		switch me.Operator {