@Override
    protected String getQueryClassName() {
        return PrefixQuery.class.getSimpleName();
    }

    @Override
    public QueryBuilder execute(final QueryContext context, final Query query, final float boost) {
        if (query instanceof final PrefixQuery prefixQuery) {
            if (logger.isDebugEnabled()) {
                logger.debug("{}:{}", query, boost);
            }

                        final String reading = readingList.get(readingCount);
                        if (i + 1 == queries.length && prefixQuery) {
                            readingQueryBuilder.should(QueryBuilders.prefixQuery(fieldName, reading));
                        } else {
                            readingQueryBuilder.should(QueryBuilders.termQuery(fieldName, reading));
                        }

        assertEquals("title:fess", ((TermQuery) query).getTerm().toString());

        query = queryParser.createDefaultFilterChain().parse("fess*");
        assertEquals(PrefixQuery.class, query.getClass());
        assertEquals("_default:fess", ((PrefixQuery) query).getPrefix().toString());

        query = queryParser.createDefaultFilterChain().parse("fe?s");
        assertEquals(WildcardQuery.class, query.getClass());

    }

    protected PrefixQueryBuilder regPrefixQ(String name, String prefix) {
        checkEsInvalidQuery(name, prefix);
        PrefixQueryBuilder prefixQuery = QueryBuilders.prefixQuery(name, prefix);
        regQ(prefixQuery);
        return prefixQuery;
    }

    protected RangeQueryBuilder regRangeQ(String name, ConditionKey ck, Object value) {
        checkEsInvalidQuery(name, value);

import static org.codelibs.fess.query.QueryFieldConfig.SITE_FIELD;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.apache.lucene.index.Term;
import org.apache.lucene.search.PrefixQuery;
import org.apache.lucene.search.Query;
import org.apache.lucene.search.TermQuery;
import org.codelibs.core.lang.StringUtil;
import org.codelibs.fess.Constants;
import org.codelibs.fess.entity.QueryContext;

    }

    protected PrefixQueryBuilder regPrefixQ(String name, String prefix) {
        checkEsInvalidQuery(name, prefix);
        PrefixQueryBuilder prefixQuery = QueryBuilders.prefixQuery(name, prefix);
        regQ(prefixQuery);
        return prefixQuery;
    }

    protected RangeQueryBuilder regRangeQ(String name, ConditionKey ck, Object value) {
        checkEsInvalidQuery(name, value);

    }

    protected PrefixQueryBuilder regPrefixQ(String name, String prefix) {
        checkEsInvalidQuery(name, prefix);
        PrefixQueryBuilder prefixQuery = QueryBuilders.prefixQuery(name, prefix);
        regQ(prefixQuery);
        return prefixQuery;
    }

    protected RangeQueryBuilder regRangeQ(String name, ConditionKey ck, Object value) {
        checkEsInvalidQuery(name, value);

                || block == UnicodeBlock.HIRAGANA //
                || block == UnicodeBlock.KATAKANA //
                || block == UnicodeBlock.HANGUL_SYLLABLES //
        ) {
            return QueryBuilders.prefixQuery(f, text);
        }
        return QueryBuilders.matchPhraseQuery(f, text);
    }

    protected String getSearchField(final String defaultField, final String field) {

            final String[] fields) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final QueryBuilder queryBuilder = QueryBuilders.prefixQuery(fessConfig.getIndexFieldId(), id);
        return getDocumentListByQuery(searchEngineClient, queryBuilder, fields);
    }

    public long deleteChildDocument(final SearchEngineClient searchEngineClient, final String id) {

                final IndexingHelper indexingHelper = ComponentUtil.getIndexingHelper();
                final long count = indexingHelper.deleteDocumentByQuery(searchEngineClient,
                        QueryBuilders.prefixQuery(fessConfig.getIndexFieldUrl(), url));
                if (logger.isDebugEnabled()) {
                    logger.debug("Deleted {} docs for {}*", count, url);
                }
            } else {