final String id = "BuildTest";
        final Suggester suggester = Suggester.builder().build(runner.client(), id);

        assertNotNull(suggester);
        assertNotNull(suggester.client);
        assertNotNull(suggester.indexer());
        assertNotNull(suggester.getNormalizer());
        assertNotNull(suggester.getReadingConverter());
        assertNotNull(suggester.settings());

        runner.refresh();
        suggester = Suggester.builder().build(runner.client(), "SuggestRequestBuilderTest");
        suggester.createIndexIfNothing();
    }

    @Test
    public void test_basicBuilder() throws Exception {
        indexItems();

        SuggestResponse response = suggester.suggest().setQuery("test").execute().getResponse();

        assertNotNull(response);

        runner.refresh();
        suggester = Suggester.builder().build(runner.client(), "AnalyzerNormalizerTest");
        suggester.createIndexIfNothing();
    }

    @Test
    public void test_constructor() throws Exception {
        AnalyzerNormalizer normalizer = new AnalyzerNormalizer(runner.client(), suggester.settings());
        assertNotNull(normalizer);
    }

    @Test

    @Before
    public void before() throws Exception {
        runner.admin().indices().prepareDelete("_all").execute().actionGet();
        runner.refresh();
        suggester = Suggester.builder().build(runner.client(), "DefaultContentsParserTest");
        suggester.createIndexIfNothing();
    }

    @Test
    public void test_parseQueryLog() throws Exception {

        QueryLog queryLog = new QueryLog("content:検索エンジン", null);

import static org.junit.Assert.assertEquals;

import org.codelibs.fess.suggest.Suggester;
import org.codelibs.fess.suggest.util.SuggestUtil;
import org.codelibs.opensearch.runner.OpenSearchRunner;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;

public class DefaultNormalizerTest {
    static Suggester suggester;

    static OpenSearchRunner runner;

    @BeforeClass

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;

import java.util.List;
import java.util.Set;

import org.codelibs.fess.suggest.Suggester;
import org.codelibs.fess.suggest.analysis.SuggestAnalyzer;
import org.codelibs.fess.suggest.util.SuggestUtil;
import org.codelibs.opensearch.runner.OpenSearchRunner;
import org.junit.AfterClass;
import org.junit.Before;

 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.suggest.exception;

/**
 * This class represents a custom exception for the suggester component.
 * It extends the {@link RuntimeException} class and provides constructors
 * to create an exception instance with a message, a cause, or both.
 *
 * <p>Usage examples:</p>
 * <pre>

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;

import org.codelibs.fess.suggest.Suggester;
import org.codelibs.opensearch.runner.OpenSearchRunner;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.opensearch.index.IndexNotFoundException;

import static org.codelibs.opensearch.runner.OpenSearchRunner.newConfigs;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotSame;

import org.codelibs.fess.suggest.Suggester;
import org.codelibs.opensearch.runner.OpenSearchRunner;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.opensearch.index.IndexNotFoundException;

                }
                exitCode.set(1);
            }
        }

        logger.info("Replacing new suggest index.");
        suggestHelper.suggester().switchIndex();

        logger.info("Removing old indices.");
        suggestHelper.suggester().removeDisableIndices();

        return exitCode.get();
    }

    private int purge(final LocalDateTime time) {