*/
  private static MatchResult createMatchResult() {
    Matcher matcher = Pattern.compile(".").matcher("X");
    matcher.find();
    return matcher.toMatchResult();
  }

  private static final ClassToInstanceMap<Object> DEFAULTS =
      ImmutableClassToInstanceMap.builder()
          // primitives

    // Patterns for sensitive data - compiled once and cached
    private static final Pattern PASSWORD_PATTERN = Pattern.compile(
            "(?i)(password|passwd|pwd|secret|token|key|credential|auth)([\"']?\\s*[:=]\\s*[\"']?)([^\"',\\s]+)", Pattern.CASE_INSENSITIVE);

    private static final Pattern IP_PATTERN = Pattern.compile("\\b(?:[0-9]{1,3}\\.){3}[0-9]{1,3}\\b");

    // Object pools for performance optimization

@Named
@Singleton
@Deprecated(since = "4.0.0")
public class DefaultSettingsValidator implements SettingsValidator {

    private static final String ID = "[\\w.-]+";
    private static final Pattern ID_REGEX = Pattern.compile(ID);

    private static final String ILLEGAL_REPO_ID_CHARS = "\\/:\"<>|?*"; // ILLEGAL_FS_CHARS

    @Override
    public void validate(Settings settings, SettingsProblemCollector problems) {

                        return getList(OpenSearchUrlFilter.class, key, QueryBuilders.termQuery(FILTER_TYPE, type), null, maxLoadSize, null)
                                .stream()
                                .map(f -> Pattern.compile(f.getUrl()))
                                .collect(Collectors.toList());
                    }
                });
    }

    /**
     * Adds an include URL filter for the specified session.
     *

    private static final String ADOPT_JDK_VERSION_15 = "15.0.2+7"
    private static final String OPEN_JDK_VERSION = "12.0.1+99@123456789123456789123456789abcde"
    private static final Pattern JDK_HOME_LOGLINE = Pattern.compile("JDK HOME: (.*)")

    @Unroll
    def "jdk #jdkVendor for #platform#suffix are downloaded and extracted"() {
        given:
        def mockRepoUrl = urlPath(jdkVendor, jdkVersion, platform, arch);

   * decade that assumes that they can use checkNotNull for non-precondition checks. I had hoped to
   * take a principled stand on this, but the amount of such code is simply overwhelming. To avoid
   * creating a lot of compile errors that users would not find to be informative, we're giving in
   * and allowing callers to pass arguments that a nullness checker believes could be null.
   *

        }

        return ":" + firstFailedProject.getArtifactId();
    }

    protected static final Pattern NEXT_LINE = Pattern.compile("\r?\n");

    protected static final Pattern LAST_ANSI_SEQUENCE = Pattern.compile("(\u001B\\[[;\\d]*[ -/]*[@-~])[^\u001B]*$");

    protected static final String ANSI_RESET = "\u001B\u005Bm";

    protected void logSummary(

                if (StringUtil.isBlank(regex)) {
                    logger.warn("Unknown regex pattern: {}", entity.getTerm());
                } else {
                    pair.getSecond().add(new Pair<>(Pattern.compile(regex), entity.getContent()));
                }
            } else {
                pair.getFirst().put(toLowerCase(entity.getTerm()), entity.getContent());
            }
        });

     * @param in the input stream to read the mapping data from
     */
    protected void reload(final MappingUpdater updater, final InputStream in) {
        final Pattern parsePattern = Pattern.compile("(.*?)\\s*+=>\\s*+(.*?)\\s*+$");
        final List<CharMappingItem> itemList = new ArrayList<>();
        try (BufferedReader reader = new BufferedReader(new InputStreamReader(in, Constants.UTF_8))) {
            long id = 0;

        });
    }

    private static class DeduplicatePackageInfoFiles implements Spec<File> {

        private final Pattern pattern = Pattern.compile("package\\s*([^;\\s]+)\\s*;");

        private final Set<String> packagesSeenBefore = new HashSet<>();
        private final Set<File> canonicalPackageInfos = new HashSet<>();

        @Override