if (lastHyphen > 0) {
            int prevHyphen = version.lastIndexOf('-', lastHyphen - 1);
            if (prevHyphen > 0) {
                Matcher m = Artifact.VERSION_FILE_PATTERN.matcher(version);
                if (m.matches()) {
                    return m.group(1) + "-" + Artifact.SNAPSHOT_VERSION;
                }
            }
        }
        return version;
    }

        provides.put(type, matcher);
    }

    @Override
    public boolean matchesRequirements(Map<String, String> requirements) {
        for (Map.Entry<String, String> requirement : requirements.entrySet()) {
            String key = requirement.getKey();

            RequirementMatcher matcher = provides.get(key);

            if (matcher == null) {

    bitSet.clear(0);
    bitSet.clear(1);
    matcher = useNew ? CharMatcher.whitespace() : OLD_WHITESPACE;
    teststring = newTestString(new Random(1), bitSet, percentMatching);
  }

  @Benchmark
  public int countIn(int reps) {
    int result = 0;
    CharMatcher matcher = this.matcher;
    String teststring = this.teststring;
    for (int i = 0; i < reps; i++) {
      result += matcher.countIn(teststring);
    }
    return result;

    bitSet.clear(0);
    bitSet.clear(1);
    matcher = useNew ? CharMatcher.whitespace() : OLD_WHITESPACE;
    teststring = newTestString(new Random(1), bitSet, percentMatching);
  }

  @Benchmark
  public int countIn(int reps) {
    int result = 0;
    CharMatcher matcher = this.matcher;
    String teststring = this.teststring;
    for (int i = 0; i < reps; i++) {
      result += matcher.countIn(teststring);
    }
    return result;

        Objects.requireNonNull(s);
        Matcher matcher = pattern.matcher(s);
        if (matcher.matches() == false) {
            throw new IllegalArgumentException("Invalid version format: '" + s + "'. Should be " + pattern);
        }

        return new QualifiedVersion(
            Integer.parseInt(matcher.group(1)),
            Integer.parseInt(matcher.group(2)),
            Integer.parseInt(matcher.group(3)),

        final String servletPath = request.getServletPath();
        final boolean matches = servletPath.startsWith(CHAT_API_PATH);
        if (logger.isTraceEnabled()) {
            logger.trace("ChatApiManager.matches() checking path. servletPath={}, expectedPrefix={}, matches={}", servletPath,
                    CHAT_API_PATH, matches);
        }
        return matches;
    }

    @Override

import com.google.common.annotations.GwtCompatible;

/**
 * The subset of the {@link java.util.regex.Matcher} API which is used by this package, and also
 * shared with the {@code re2j} library. For internal use only. Please refer to the {@code Matcher}
 * javadoc for details.
 */
@GwtCompatible
abstract class CommonMatcher {
  public abstract boolean matches();

  public abstract boolean find();

  public abstract boolean find(int index);

        // Check various forms of directory traversal
        if (TRAVERSAL_PATTERN.matcher(path).find()) {
            return true;
        }

        // Check encoded traversals
        if (ENCODED_TRAVERSAL.matcher(path).find()) {
            return true;
        }

        // Check Unicode encoded traversals
        if (UNICODE_TRAVERSAL.matcher(path).find()) {
            return true;
        }

    private static String unQuoteUnEscape(final String original) {
        String result = original;

        // Unquote
        if (result.indexOf('\"') >= 0) {
            final Matcher m = QUOTE_REPLACE_PATTERN.matcher(original);
            if (m.matches()) {
                result = m.group(1);
            }

            // Unescape
            if (result.indexOf(ESCAPED_QUOTE) >= 0) {

            throw new IllegalArgumentException("Path exceeds maximum length: " + path.length());
        }
        if (PATH_TRAVERSAL.matcher(path).find()) {
            throw new IllegalArgumentException("Path contains directory traversal sequences: " + path);
        }
        if (INVALID_PATH_CHARS.matcher(path).find()) {
            throw new IllegalArgumentException("Path contains invalid characters: " + path);
        }
    }