/**
 * This class contains constants used in the Fess Suggest module.
 * It is a utility class and should not be instantiated.
 */
public final class SuggestConstants {
    // Private constructor to prevent instantiation
    private SuggestConstants() {
    }

    /** An empty string constant. */
    public static final String EMPTY_STRING = "";

    /** The system property name for user dictionary encoding. */

import java.util.List;
import java.util.Map;

import org.codelibs.fess.suggest.concurrent.Deferred;
import org.codelibs.fess.suggest.constants.FieldNames;
import org.codelibs.fess.suggest.constants.SuggestConstants;
import org.codelibs.fess.suggest.converter.ReadingConverter;
import org.codelibs.fess.suggest.entity.SuggestItem;
import org.codelibs.fess.suggest.exception.SuggesterException;

        /*
         * TODO if (initialized) { return; }
         *
         * if (tokenizerFactory == null) { final String path = System.getProperty(SuggestConstants.USER_DICT_PATH);
         * final String encoding = System.getProperty(SuggestConstants.USER_DICT_ENCODING); final Map<String, String>
         * args = new HashMap<>(); args.put("mode", "normal"); args.put("discardPunctuation", "false"); if

import java.util.concurrent.atomic.AtomicInteger;

import org.codelibs.core.lang.ThreadUtil;
import org.codelibs.fess.suggest.constants.FieldNames;
import org.codelibs.fess.suggest.constants.SuggestConstants;
import org.codelibs.fess.suggest.entity.ElevateWord;
import org.codelibs.fess.suggest.entity.SuggestItem;
import org.codelibs.fess.suggest.index.SuggestIndexResponse;

import java.util.List;
import java.util.Map;

import org.codelibs.fess.suggest.concurrent.Deferred;
import org.codelibs.fess.suggest.constants.FieldNames;
import org.codelibs.fess.suggest.constants.SuggestConstants;
import org.codelibs.fess.suggest.entity.SuggestItem;
import org.codelibs.fess.suggest.exception.SuggesterException;
import org.codelibs.fess.suggest.request.Request;
import org.opensearch.action.search.SearchRequestBuilder;

            final Kind kind) {
        this.text = String.join(SuggestConstants.TEXT_SEPARATOR, text);
        this.readings = readings;
        this.fields = fields != null ? fields : new String[] {};
        this.tags = tags != null ? tags : new String[] {};

        if (roles == null || roles.length == 0) {
            this.roles = new String[] { SuggestConstants.DEFAULT_ROLE };
        } else {