}
        return list.toArray(new Kind[list.size()]);
    }

    public static SuggestItem merge(final SuggestItem item1, final SuggestItem item2) {
        if (!item1.getId().equals(item2.getId())) {
            throw new IllegalArgumentException("Item id is mismatch.");
        }

        final SuggestItem mergedItem = new SuggestItem();

        mergedItem.id = item1.getId();
        mergedItem.text = item1.getText();

import org.codelibs.fess.suggest.entity.SuggestItem;
import org.codelibs.fess.suggest.request.Response;

public class SuggestResponse implements Response {
    protected final String index;

    protected final long tookMs;

    protected final List<String> words;

    protected final int num;

    protected final long total;

    protected final List<SuggestItem> items;

    public SuggestIndexResponse index(final SuggestItem item) {
        return index(new SuggestItem[] { item });
    }

    // TODO return result
    public SuggestIndexResponse index(final SuggestItem[] items) {
        // TODO parallel?
        final SuggestItem[] array = Stream.of(items).filter(item -> !item.isBadWord(badWords)).toArray(n -> new SuggestItem[n]);

        try {

import org.codelibs.fess.suggest.entity.SuggestItem;
import org.codelibs.fess.suggest.request.Response;

public class PopularWordsResponse implements Response {
    protected final String index;

    protected final long tookMs;

    protected final List<String> words;

    protected final int num;

    protected final long total;

    protected final List<SuggestItem> items;

        boolQueryBuilder.must(QueryBuilders.termQuery(FieldNames.KINDS, SuggestItem.Kind.DOCUMENT.toString()));
        boolQueryBuilder.mustNot(QueryBuilders.termQuery(FieldNames.KINDS, SuggestItem.Kind.QUERY.toString()));
        boolQueryBuilder.mustNot(QueryBuilders.termQuery(FieldNames.KINDS, SuggestItem.Kind.USER.toString()));

        final List<String> words = new ArrayList<>();
        final List<String> firstWords = new ArrayList<>();
        final List<String> secondWords = new ArrayList<>();
        final List<SuggestItem> firstItems = new ArrayList<>();
        final List<SuggestItem> secondItems = new ArrayList<>();

        final String index;
        if (hits.length > 0) {
            index = hits[0].getIndex();
        } else {

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;
import org.opensearch.action.search.SearchResponse;

import org.codelibs.fess.suggest.converter.ReadingConverter;
import org.codelibs.fess.suggest.converter.ReadingConverterChain;
import org.codelibs.fess.suggest.entity.SuggestItem;
import org.codelibs.fess.suggest.exception.SuggesterException;
import org.codelibs.fess.suggest.normalizer.AnalyzerNormalizer;
import org.codelibs.fess.suggest.normalizer.Normalizer;

            }

            builder.addKind(SuggestItem.Kind.USER.toString());
            if (ComponentUtil.getFessConfig().isSuggestSearchLog()) {
                builder.addKind(SuggestItem.Kind.QUERY.toString());
            }
            if (ComponentUtil.getFessConfig().isSuggestDocuments()) {
                builder.addKind(SuggestItem.Kind.DOCUMENT.toString());
            }