public SuggestRequestBuilder addTag(final String tag) {
        request.addTag(tag);
        return this;
    }

    public SuggestRequestBuilder addRole(final String role) {
        request.addRole(role);
        return this;
    }

    public SuggestRequestBuilder addField(final String field) {
        request.addField(field);
        return this;
    }

    public SuggestRequestBuilder addKind(final String kind) {

        this.threadPool = threadPool;

        if (logger.isDebugEnabled()) {
            logger.debug("Create suggester instance for {}", index);
        }
    }

    public SuggestRequestBuilder suggest() {
        return new SuggestRequestBuilder(client, readingConverter, normalizer).setIndex(getSearchAlias(index));
    }

    public PopularWordsRequestBuilder popularWords() {

import org.codelibs.fess.helper.UserInfoHelper;
import org.codelibs.fess.mylasta.direction.FessConfig;
import org.codelibs.fess.suggest.entity.SuggestItem;
import org.codelibs.fess.suggest.request.suggest.SuggestRequestBuilder;
import org.codelibs.fess.suggest.request.suggest.SuggestResponse;
import org.codelibs.fess.util.ComponentUtil;
import org.codelibs.fess.util.DocumentUtil;
import org.codelibs.fess.util.FacetResponse;