assertThat(ArbitraryInstances.get(String[].class)).isEmpty();
  }

  public void testGet_enum() {
    assertThat(ArbitraryInstances.get(EmptyEnum.class)).isNull();
    assertEquals(Direction.UP, ArbitraryInstances.get(Direction.class));
  }

  public void testGet_interface() {
    assertThat(ArbitraryInstances.get(SomeInterface.class)).isNull();
  }

  public void testGet_runnable() {

import org.codelibs.core.lang.StringUtil;
import org.codelibs.fess.Constants;
import org.codelibs.fess.app.pager.LabelTypePager;
import org.codelibs.fess.helper.LabelTypeHelper;
import org.codelibs.fess.mylasta.direction.FessConfig;
import org.codelibs.fess.opensearch.config.cbean.LabelTypeCB;
import org.codelibs.fess.opensearch.config.exbhv.LabelTypeBhv;
import org.codelibs.fess.opensearch.config.exentity.LabelType;

import org.codelibs.fess.dict.DictionaryManager;
import org.codelibs.fess.dict.stopwords.StopwordsFile;
import org.codelibs.fess.dict.stopwords.StopwordsItem;
import org.codelibs.fess.mylasta.direction.FessConfig;
import org.dbflute.optional.OptionalEntity;

import jakarta.annotation.Resource;

/**
 * Service for managing stopwords.
 * This class provides methods to interact with stopwords dictionaries,

import org.codelibs.fess.dict.DictionaryManager;
import org.codelibs.fess.dict.synonym.SynonymFile;
import org.codelibs.fess.dict.synonym.SynonymItem;
import org.codelibs.fess.mylasta.direction.FessConfig;
import org.dbflute.optional.OptionalEntity;

import jakarta.annotation.Resource;

/**
 * Service for managing synonyms.
 * This class provides methods to interact with synonym dictionaries,

 */
package org.codelibs.fess.helper;

import java.util.Locale;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codelibs.fess.mylasta.direction.FessConfig;
import org.codelibs.fess.util.ComponentUtil;
import org.codelibs.jcifs.smb.SID;

import jakarta.annotation.PostConstruct;

/**
 * Helper class for Samba-related operations.
 */

import org.apache.lucene.search.Query;
import org.codelibs.fess.Constants;
import org.codelibs.fess.entity.QueryContext;
import org.codelibs.fess.exception.InvalidQueryException;
import org.codelibs.fess.mylasta.direction.FessConfig;
import org.codelibs.fess.util.ComponentUtil;
import org.lastaflute.core.message.UserMessages;
import org.opensearch.index.query.QueryBuilder;
import org.opensearch.index.query.QueryBuilders;

/**

import org.codelibs.fess.app.logic.AccessContextLogic;
import org.codelibs.fess.app.service.ScheduledJobService;
import org.codelibs.fess.helper.JobHelper;
import org.codelibs.fess.helper.SystemHelper;
import org.codelibs.fess.mylasta.direction.FessConfig;
import org.codelibs.fess.opensearch.config.exbhv.JobLogBhv;
import org.codelibs.fess.util.ComponentUtil;
import org.dbflute.optional.OptionalThing;
import org.lastaflute.core.time.TimeManager;

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

import org.codelibs.core.lang.StringUtil;
import org.codelibs.core.stream.StreamUtil;
import org.codelibs.fess.exception.InvalidQueryException;
import org.codelibs.fess.mylasta.direction.FessConfig;
import org.codelibs.fess.util.ComponentUtil;
import org.lastaflute.core.message.UserMessages;
import org.opensearch.index.query.BoolQueryBuilder;
import org.opensearch.index.query.QueryBuilder;

import static org.codelibs.core.stream.StreamUtil.stream;

import java.util.function.Function;

import org.codelibs.core.lang.StringUtil;
import org.codelibs.core.misc.Tuple3;
import org.codelibs.fess.mylasta.direction.FessConfig;
import org.codelibs.fess.util.ComponentUtil;
import org.lastaflute.web.response.next.HtmlNext;
import org.lastaflute.web.util.LaRequestUtil;

/**

import org.apache.lucene.search.Query;
import org.codelibs.fess.Constants;
import org.codelibs.fess.entity.QueryContext;
import org.codelibs.fess.exception.InvalidQueryException;
import org.codelibs.fess.mylasta.direction.FessConfig;
import org.codelibs.fess.util.ComponentUtil;
import org.lastaflute.core.message.UserMessages;
import org.opensearch.index.query.QueryBuilder;

/**
 * Query command for phrase queries.
 */