*/
    public OptionalEntity<SynonymFile> getSynonymFile(final String dictId) {
        return dictionaryManager.getDictionaryFile(dictId)
                .filter(SynonymFile.class::isInstance)
                .map(file -> OptionalEntity.of((SynonymFile) file))
                .orElse(OptionalEntity.empty());
    }

    /**
     * Retrieves a specific synonym item by its ID.

    }

    public OptionalEntity<DataConfig> selectEntity(CBCall<DataConfigCB> cbLambda) {
        return facadeSelectEntity(createCB(cbLambda));
    }

    protected OptionalEntity<DataConfig> facadeSelectEntity(DataConfigCB cb) {
        return doSelectOptionalEntity(cb, typeOfSelectedEntity());
    }

    }

    public OptionalEntity<LabelType> selectEntity(CBCall<LabelTypeCB> cbLambda) {
        return facadeSelectEntity(createCB(cbLambda));
    }

    protected OptionalEntity<LabelType> facadeSelectEntity(LabelTypeCB cb) {
        return doSelectOptionalEntity(cb, typeOfSelectedEntity());
    }

import org.codelibs.fess.opensearch.user.exentity.Role;
import org.codelibs.fess.util.ComponentUtil;
import org.dbflute.cbean.result.PagingResultBean;
import org.dbflute.optional.OptionalEntity;

import jakarta.annotation.Resource;

/**
 * Service class for managing roles.
 */
public class RoleService {

    /**
     * The behavior for roles.
     */
    @Resource

    }

    public OptionalEntity<WebConfig> selectEntity(CBCall<WebConfigCB> cbLambda) {
        return facadeSelectEntity(createCB(cbLambda));
    }

    protected OptionalEntity<WebConfig> facadeSelectEntity(WebConfigCB cb) {
        return doSelectOptionalEntity(cb, typeOfSelectedEntity());
    }

    /**
     * Retrieves a specific related query by its unique identifier.
     *
     * @param id the unique identifier of the related query to retrieve
     * @return an OptionalEntity containing the RelatedQuery if found, or empty if not found
     */
    public OptionalEntity<RelatedQuery> getRelatedQuery(final String id) {
        return relatedQueryBhv.selectByPK(id);
    }

    /**

     * Loads the user through the authentication manager for complete user data.
     *
     * @param id the unique identifier of the user
     * @return an OptionalEntity containing the user if found
     */
    public OptionalEntity<User> getUser(final String id) {
        return userBhv.selectByPK(id).map(u -> ComponentUtil.getAuthenticationManager().load(u));
    }

    /**

import org.codelibs.fess.util.ComponentUtil;
import org.dbflute.optional.OptionalEntity;

/**
 * @author ESFlute (using FreeGen)
 */
public class CrawlingInfoParam extends BsCrawlingInfoParam {

    private static final long serialVersionUID = 1L;

    private OptionalEntity<CrawlingInfo> crawlingInfo;

    public String getId() {
        return asDocMeta().id();
    }

    }

    private OptionalThing<HttpSession> getSession() {
        final HttpSession session = request.getSession(false);
        if (session != null) {
            return OptionalEntity.of(session);
        }
        return OptionalEntity.empty();
    }

     * @return an OptionalEntity containing the dictionary file if found, empty otherwise
     */
    public OptionalEntity<DictionaryFile<? extends DictionaryItem>> getDictionaryFile(final String id) {
        for (final DictionaryFile<? extends DictionaryItem> dictFile : getDictionaryFiles()) {
            if (dictFile.getId().equals(id)) {
                return OptionalEntity.of(dictFile);
            }
        }