private final boolean ignoreCase;

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

        final List<String> wordList = Analysis.parseWordList(environment, settings, "stopwords", s -> s);
        if (wordList != null) {

import org.opensearch.env.Environment;
import org.opensearch.index.IndexSettings;
import org.opensearch.index.analysis.AbstractTokenFilterFactory;

public class KuromojiKatakanaStemmerFactory extends AbstractTokenFilterFactory {

    private final int minimumLength;

    public KuromojiKatakanaStemmerFactory(IndexSettings indexSettings, Environment environment, String name, Settings settings) {

import org.opensearch.common.settings.Settings;
import org.opensearch.env.Environment;
import org.opensearch.index.IndexSettings;
import org.opensearch.index.analysis.AbstractTokenFilterFactory;

public class KanjiNumberFilterFactory extends AbstractTokenFilterFactory {

    public KanjiNumberFilterFactory(final IndexSettings indexSettings, final Environment environment, final String name,
            final Settings settings) {

import org.opensearch.env.Environment;
import org.opensearch.index.IndexSettings;
import org.opensearch.index.analysis.AbstractTokenFilterFactory;
import org.opensearch.lucene.analysis.miscellaneous.DisableGraphAttribute;

public class DisableGraphFilterFactory extends AbstractTokenFilterFactory {

    public DisableGraphFilterFactory(final IndexSettings indexSettings, final Environment environment, final String name,

import org.opensearch.env.Environment;
import org.opensearch.index.analysis.Analysis;

public class SynonymLoader {
    private File reloadableFile = null;

    private final Analyzer analyzer;

    private final Settings settings;

    private final boolean expand;

    private long reloadInterval = 0;

    private final Environment env;

    private volatile long lastModified;

import org.opensearch.env.Environment;
import org.opensearch.index.IndexSettings;
import org.opensearch.index.analysis.AbstractCharFilterFactory;

public class ProlongedSoundMarkCharFilterFactory extends AbstractCharFilterFactory {
    private char replacement;

    public ProlongedSoundMarkCharFilterFactory(final IndexSettings indexSettings, final Environment env, final String name,
            final Settings settings) {

import org.opensearch.env.Environment;
import org.opensearch.index.IndexSettings;
import org.opensearch.index.analysis.AbstractTokenFilterFactory;

public class AlphaNumWordFilterFactory extends AbstractTokenFilterFactory {

    private final int maxTokenLength;

    public AlphaNumWordFilterFactory(final IndexSettings indexSettings, final Environment environment, final String name,
            final Settings settings) {

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

        final List<String> tagList = Analysis.parseWordList(environment, settings, "tags", s -> s);
        if (tagList != null) {
            posTags.addAll(tagList);
        }
    }

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

        final String path = settings.get("keywords_path");
        if (path != null) {
            keywordPath = environment.configDir().resolve(path);
        } else {
            keywordPath = null;
        }

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

        final String path = settings.get("stopwords_path");
        if (path != null) {
            stopwordPath = environment.configDir().resolve(path);
        } else {
            stopwordPath = null;
        }