}
            return null;
        }).filter(q -> q != null).toArray(n -> new QueryBuilder[n]);

        if (queryBuilders.length == 1) {
            builder = queryBuilders[0];
        } else if (queryBuilders.length > 1) {
            final BoolQueryBuilder boolQuery = QueryBuilders.boolQuery();
            StreamUtil.stream(queryBuilders).of(stream -> stream.forEach(boolQuery::must));
            builder = boolQuery;
        }

     * @return The QueryBuilder instance.
     */
    protected QueryBuilder buildQuery() {
        final BoolQueryBuilder queryBuilder = QueryBuilders.boolQuery();
        queryBuilder.must(QueryBuilders.termQuery(FieldNames.KINDS, SuggestItem.Kind.QUERY.toString()));
        queryBuilder.mustNot(QueryBuilders.existsQuery(FieldNames.READING_PREFIX + "1"));

import org.codelibs.fess.util.ComponentUtil;
import org.lastaflute.core.message.UserMessages;
import org.opensearch.index.query.QueryBuilder;
import org.opensearch.index.query.QueryBuilders;

/**
 * Query command for handling wildcard queries.
 * Converts Lucene WildcardQuery objects to OpenSearch QueryBuilder objects,
 * supporting wildcard pattern matching with configurable case sensitivity.
 */

     * @param q The query string.
     * @param fields The fields to search in.
     * @return The QueryBuilder instance.
     */
    public QueryBuilder buildQuery(final String q, final List<String> fields) {
        try {
            final QueryBuilder queryBuilder;
            if (Strings.isNullOrEmpty(q)) {
                queryBuilder = QueryBuilders.matchAllQuery();
            } else {
                final String fullWidthSpace = "\u3000";

        // Build query to exclude certain kinds
        final BoolQueryBuilder boolQuery = QueryBuilders.boolQuery().must(QueryBuilders.rangeQuery(freqField).gte(1));
        for (final SuggestItem.Kind kind : excludeKinds) {
            boolQuery.mustNot(QueryBuilders.matchPhraseQuery(FieldNames.KINDS, kind.toString()));
        }

        context.addHighlightedQuery(text);
        if (getQueryFieldConfig().notAnalyzedFieldSet.contains(field)) {
            return QueryBuilders.prefixQuery(field, toLowercaseWildcard(text)).boost(boost);
        }
        return QueryBuilders.matchPhrasePrefixQuery(field, toLowercaseWildcard(text))
                .boost(boost)
                .maxExpansions(fessConfig.getQueryPrefixExpansionsAsInteger())

import org.codelibs.fess.util.ComponentUtil;
import org.lastaflute.core.message.UserMessages;
import org.opensearch.common.unit.Fuzziness;
import org.opensearch.index.query.QueryBuilder;
import org.opensearch.index.query.QueryBuilders;

/**
 * Query command implementation for handling fuzzy search queries.
 * This class converts Lucene FuzzyQuery objects into OpenSearch fuzzy query builders,

import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.opensearch.action.index.IndexResponse;
import org.opensearch.common.xcontent.XContentType;
import org.opensearch.index.query.QueryBuilders;
import org.opensearch.transport.client.Client;

/**
 * Integration tests for ScrollOperationHelper.
 */
public class ScrollOperationHelperTest {

    private static OpenSearchRunner runner;

import org.lastaflute.core.message.UserMessages;
import org.opensearch.index.query.QueryBuilder;
import org.opensearch.index.query.QueryBuilders;
import org.opensearch.index.query.RangeQueryBuilder;

/**
 * Command class for handling term range query execution and conversion.
 * This class processes Lucene TermRangeQuery objects and converts them to OpenSearch QueryBuilder instances.
 */
public class TermRangeQueryCommand extends QueryCommand {

import org.apache.lucene.search.MatchAllDocsQuery;
import org.apache.lucene.search.Query;
import org.codelibs.fess.entity.QueryContext;
import org.opensearch.index.query.QueryBuilder;
import org.opensearch.index.query.QueryBuilders;

/**
 * Query command for match all documents query.
 */
public class MatchAllQueryCommand extends QueryCommand {

    /**
     * Default constructor.
     */