### Popular Words Analytics

```java
import org.codelibs.fess.suggest.request.popularwords.PopularWordsResponse;

PopularWordsResponse popularWords = suggester.popularWords()
    .setSize(20)                    // top 20 words
    .setQuery("tech*")              // filter pattern
    .execute()
    .getResponse();

popularWords.getItems().forEach(item -> {
    System.out.println("Popular: " + item.getText() + 

import org.codelibs.fess.entity.SearchRequestParams.SearchRequestType;
import org.codelibs.fess.mylasta.direction.FessConfig;
import org.codelibs.fess.suggest.exception.SuggesterException;
import org.codelibs.fess.suggest.request.popularwords.PopularWordsRequestBuilder;
import org.codelibs.fess.util.ComponentUtil;

import com.google.common.cache.Cache;
import com.google.common.cache.CacheBuilder;

import jakarta.annotation.PostConstruct;

/**

import org.codelibs.fess.suggest.index.contents.querylog.QueryLog;
import org.codelibs.fess.suggest.index.contents.querylog.QueryLogReader;
import org.codelibs.fess.suggest.request.popularwords.PopularWordsResponse;
import org.codelibs.fess.suggest.request.suggest.SuggestResponse;
import org.codelibs.fess.suggest.settings.AnalyzerSettings;
import org.codelibs.fess.suggest.settings.SuggestSettings;

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.suggest.request.popularwords;

import org.codelibs.fess.suggest.request.RequestBuilder;
import org.opensearch.transport.client.Client;

/**
 * Builder for creating a {@link PopularWordsRequest} to fetch popular words.

import org.codelibs.fess.suggest.exception.SuggesterException;
import org.codelibs.fess.suggest.index.SuggestIndexer;
import org.codelibs.fess.suggest.normalizer.Normalizer;
import org.codelibs.fess.suggest.request.popularwords.PopularWordsRequestBuilder;
import org.codelibs.fess.suggest.request.suggest.SuggestRequestBuilder;
import org.codelibs.fess.suggest.settings.SuggestSettings;
import org.opensearch.action.admin.indices.alias.Alias;

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.suggest.request.popularwords;

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

import org.codelibs.fess.suggest.concurrent.Deferred;
import org.codelibs.fess.suggest.constants.FieldNames;

            final String key = ComponentUtil.getVirtualHostHelper().getVirtualHostKey();
            if (StringUtil.isNotBlank(key)) {
                tagList.add(key);
            }
            runtime.registerData("popularWords", popularWordHelper.getWordList(SearchRequestType.SEARCH, null,
                    tagList.toArray(new String[tagList.size()]), null, null, null));
        }
        return super.hookBefore(runtime);
    }

            return FormatType.SEARCH;
        }
        if (FormatType.LABEL.name().equals(type)) {
            return FormatType.LABEL;
        }
        if (FormatType.POPULARWORD.name().equals(type)) {
            return FormatType.POPULARWORD;
        }
        if (FormatType.FAVORITE.name().equals(type)) {
            return FormatType.FAVORITE;
        }
        if (FormatType.FAVORITES.name().equals(type)) {

    public String ignoreFailureType;

    /** The failure count threshold setting. */
    public String failureCountThreshold;

    /** The popular word setting. */
    public String popularWord;

    /** The CSV file encoding setting. */
    public String csvFileEncoding;

    /** The purge search log day setting. */
    public String purgeSearchLogDay;

    /** The purge job log day setting. */

        fessConfig.setIgnoreFailureType(form.ignoreFailureType);
        fessConfig.setFailureCountThreshold(form.failureCountThreshold);
        fessConfig.setWebApiPopularWord(isCheckboxEnabled(form.popularWord));
        fessConfig.setCsvFileEncoding(form.csvFileEncoding);
        fessConfig.setPurgeSearchLogDay(form.purgeSearchLogDay);
        fessConfig.setPurgeJobLogDay(form.purgeJobLogDay);