import org.codehaus.plexus.component.configurator.converters.basic.AbstractBasicConverter;
import org.codehaus.plexus.component.configurator.converters.composite.ObjectWithFieldsConverter;
import org.codehaus.plexus.component.configurator.converters.lookup.ConverterLookup;
import org.codehaus.plexus.component.configurator.expression.ExpressionEvaluationException;

// concatenations of `alphabets`.
//
// The skipOffset (generally = 0) can be used to skip a given number
// of bytes from the beginning of the infinite stream. This is useful
// to compare such streams of bytes that may be split up, because:
//
// Given the function:
//
//	f := func(r io.Reader) string {
//	          b, _ := io.ReadAll(r)
//	          return string(b)
//	}
//

                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());
            }
        });

    }

    @Override
    public Iterable<Entry<String, Integer>> order(List<Entry<String, Integer>> insertionOrder) {
      return new Ordering<Entry<String, Integer>>() {
        @Override
        public int compare(Entry<String, Integer> left, Entry<String, Integer> right) {
          return left.getKey().compareTo(right.getKey());
        }
      }.sortedCopy(insertionOrder);
    }

    @Override

  @Suppress("NAME_SHADOWING")
  companion object {
    private val YEAR_PATTERN = Pattern.compile("(\\d{2,4})[^\\d]*")
    private val MONTH_PATTERN =
      Pattern.compile("(?i)(jan|feb|mar|apr|may|jun|jul|aug|sep|oct|nov|dec).*")
    private val DAY_OF_MONTH_PATTERN = Pattern.compile("(\\d{1,2})[^\\d]*")
    private val TIME_PATTERN = Pattern.compile("(\\d{1,2}):(\\d{1,2}):(\\d{1,2})[^\\d]*")

    private fun domainMatch(

        if (value == null) {
            return null;
        }

        final StringBuffer tunedText = new StringBuffer(value.length());
        final Pattern pattern = Pattern.compile("(\\$\\{([\\w\\.]+)\\})");
        final Matcher matcher = pattern.matcher(value);
        while (matcher.find()) {
            final String key = matcher.group(2);
            String replacement = System.getProperty(key);

    }

    protected void addFessCustomSystemProperties(final List<String> cmdList, final String regex) {
        if (StringUtil.isNotBlank(regex)) {
            final Pattern pattern = Pattern.compile(regex);
            System.getProperties().keySet().stream().filter(k -> k != null && pattern.matcher(k.toString()).matches())
                    .forEach(k -> addSystemProperty(cmdList, k.toString(), null, null));
        }

  @Test
  public void customComparator() {
    Comparator<NonComparableSuperClass> comparator =
        new Comparator<NonComparableSuperClass>() {
          @Override
          public int compare(NonComparableSuperClass left, NonComparableSuperClass right) {
            return left.value.compareTo(right.value);
          }
        };

    MutableGraph<NonComparableSuperClass> graph =

   * @param patternStr the pattern string on which to filter file names
   * @throws PatternSyntaxException if pattern compilation fails (runtime)
   */
  public PatternFilenameFilter(String patternStr) {
    this(Pattern.compile(patternStr));
  }

  /**
   * Constructs a pattern file name filter object.
   *
   * @param pattern the pattern on which to filter file names
   */
  public PatternFilenameFilter(Pattern pattern) {

            effectiveScope = Artifact.SCOPE_SYSTEM;
        } else if (Artifact.SCOPE_COMPILE.equals(originalScope) && Artifact.SCOPE_COMPILE.equals(inheritedScope)) {
            // added to retain compile scope. Remove if you want compile inherited as runtime
            effectiveScope = Artifact.SCOPE_COMPILE;
        } else if (Artifact.SCOPE_TEST.equals(inheritedScope)) {
            effectiveScope = Artifact.SCOPE_TEST;