private final Settings settings;

    private final boolean expand;

    private long reloadInterval = 0;

    private final Environment env;

    private volatile long lastModified;

    private volatile long lastChecked;

    private volatile SynonymMap synonymMap;

    public SynonymLoader(final Environment env, final Settings settings, final boolean expand, final Analyzer analyzer) {
        this.env = env;

import org.opensearch.index.analysis.Analysis;

public class StopTokenSuffixFilterFactory extends AbstractTokenFilterFactory {

    private final String[] stopwords;

    private final boolean ignoreCase;

    public StopTokenSuffixFilterFactory(final IndexSettings indexSettings, final Environment environment, final String name,
            final Settings settings) {
        super(indexSettings, name, settings);

    protected final int numberOfSuggestDocs;
    /** The number of input documents. */
    protected final int numberOfInputDocs;
    /** Flag indicating if there are errors. */
    protected final boolean hasError;
    /** List of errors. */
    protected final List<Throwable> errors = new ArrayList<>();
    /** Time taken for the operation in milliseconds. */
    protected final long took;

    /**

     */
    @Override
    public boolean match(final String url) {
        final List<Pattern> includeList = getUrlFilterService().getIncludeUrlPatternList(sessionId);
        final List<Pattern> excludeList = getUrlFilterService().getExcludeUrlPatternList(sessionId);

        if (!includeList.isEmpty()) {
            boolean match = false;
            for (final Pattern pattern : includeList) {

    protected final Transliterator transliterator = Transliterator.getInstance("Hiragana-Katakana");

    /** Flag indicating if the converter is initialized. */
    protected volatile boolean initialized = false;

    /** Tokenizer factory. */
    protected TokenizerFactory tokenizerFactory = null;

    /**
     * Default constructor.
     */
    public KatakanaConverter() {
        // nothing

public class FlexiblePorterStemFilterFactory extends AbstractTokenFilterFactory {

    private final boolean step1;

    private final boolean step2;

    private final boolean step3;

    private final boolean step4;

    private final boolean step5;

    private final boolean step6;

     * @param sessionId Session ID
     */
    void init(String sessionId);

    /**
     * Check if a given url is a target.
     *
     * @param url URL
     * @return true if url is matched
     */
    boolean match(String url);

    /**
     * Add an url pattern as a target.
     *
     * @param urlPattern Regular expression that is crawled
     */
    void addInclude(String urlPattern);

    /**

 * responseData.setContentType("text/html");
 *
 * boolean matches = rule.match(responseData); // Returns true
 * }
 * </pre>
 *
 */
public class RegexRule extends AbstractRule {

    /** Serial version UID for serialization. */
    private static final long serialVersionUID = 1L;

    /** Whether this rule should match all responses by default. */
    protected boolean defaultRule = false;

     *
     * @param c the character to check
     * @return {@code true} if the character is a valid URL character, {@code false} otherwise
     */
    public static boolean isUrlChar(final char c) {
        if (c >= 'a' && c <= 'z' //
                || c >= 'A' && c <= 'Z' //
                || c >= '0' && c <= '9' //
                || c == '.' //
                || c == '-' //

        // nothing
    }

    @Override
    public SuggestWriterResult write(final Client client, final SuggestSettings settings, final String index, final SuggestItem[] items,
            final boolean update) {
        throw new UnsupportedOperationException("not yet.");
    }

    @Override
    public SuggestWriterResult delete(final Client client, final SuggestSettings settings, final String index, final String id) {