* Returns a filter for directories that may contain paths accepted by the given matcher.
     * The given path matcher should be an instance created by this service.
     * The path matcher returned by this method expects directory paths.
     * If that matcher returns {@code false}, then the directory will definitively not contain
     * the paths selected by the matcher given in argument to this method.

        KerberosAuthData mockAuthData2 = mock(KerberosAuthData.class);

        // Mock the parse method to return two different objects based on input
        // Must use matchers for all arguments when using any matcher
        mockedStaticAuthData.when(() -> KerberosAuthData.parse(eq(1), eq(new byte[] { 0x01 }), any(Map.class)))
                .thenReturn(Collections.singletonList(mockAuthData1));

  }

  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) {

        Matcher matcher = LINK_PATTERN.matcher(link);
        if (!matcher.matches()) {
            return null;
        }

        String className = null;
        if (matcher.group(1).length() > 0) {
            className = typeNameResolver.resolve(matcher.group(1), classMetaData);
            if (className == null) {
                return null;

  }

  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) {

        assertFalse(pattern.matcher("text/html").matches());
    }

    @Test
    public void test_webFileRulePattern_doesNotMatchImageTypes() {
        Pattern pattern = Pattern.compile(WEB_FILE_RULE_PATTERN);
        assertFalse(pattern.matcher("image/jpeg").matches());
        assertFalse(pattern.matcher("image/png").matches());
        assertFalse(pattern.matcher("image/gif").matches());
    }

    @Test

            // extract the revision number from the version with a regex matcher
            Matcher matcher = LUCENE_SNAPSHOT_REGEX.matcher(luceneVersion);
            if (matcher.find() == false) {
                throw new GradleException("Malformed lucene snapshot version: " + luceneVersion);
            }
            String revision = matcher.group(1);
            MavenArtifactRepository luceneRepo = repos.maven(repo -> {

        RequirementMatcher matcher;
        matcher = RequirementMatcherFactory.createVersionMatcher("1.5.2");
        assertFalse(matcher.matches("1.5"));
        assertTrue(matcher.matches("1.5.2"));
        assertFalse(matcher.matches("[1.4,1.5)"));
        assertFalse(matcher.matches("[1.5,1.5.2)"));
        assertFalse(matcher.matches("(1.5.2,1.6)"));
        assertTrue(matcher.matches("(1.4,1.5.2]"));

    }

    /**
     * Creates a path matcher function for path mapping.
     *
     * @param matcher the regex matcher
     * @param replacement the replacement string
     * @return the path matcher function
     */
    public BiFunction<String, Matcher, String> createPathMatcher(final Matcher matcher, final String replacement) { // for PathMapping

        }
        final Matcher matcher = regexPattern.matcher(input);
        if (matcher.find()) {
            if (pathMapperFunc == null) {
                final String replacement = StringUtil.isNotBlank(getReplacement()) ? getReplacement() : StringUtil.EMPTY;
                pathMapperFunc = pathMappingHelper.createPathMatcher(matcher, replacement);
            }
            try {