* @param currentTime the current time
     * @return optional key match entity
     */
    public static OptionalEntity<KeyMatch> getEntity(final CreateForm form, final String username, final long currentTime) {
        switch (form.crudMode) {
        case CrudMode.CREATE:
            return OptionalEntity.of(new KeyMatch()).map(entity -> {
                entity.setCreatedBy(username);

     * @return An optional entity of the Kuromoji file.
     */
    public OptionalEntity<KuromojiFile> getKuromojiFile(final String dictId) {
        return dictionaryManager.getDictionaryFile(dictId)
                .filter(KuromojiFile.class::isInstance)
                .map(file -> OptionalEntity.of((KuromojiFile) file))
                .orElse(OptionalEntity.empty());
    }

    /**
     * Get a Kuromoji item.
     *

    }

    /**
     * Retrieves a specific related content entity by its ID.
     *
     * @param id the unique identifier of the related content
     * @return an OptionalEntity containing the RelatedContent if found, empty otherwise
     */
    public OptionalEntity<RelatedContent> getRelatedContent(final String id) {
        return relatedContentBhv.selectByPK(id);
    }

    /**

    }

    public OptionalEntity<AccessToken> selectEntity(CBCall<AccessTokenCB> cbLambda) {
        return facadeSelectEntity(createCB(cbLambda));
    }

    protected OptionalEntity<AccessToken> facadeSelectEntity(AccessTokenCB cb) {
        return doSelectOptionalEntity(cb, typeOfSelectedEntity());
    }

        return facadeSelectCount(createCB(cbLambda));
    }

    public OptionalEntity<ElevateWordToLabel> selectEntity(CBCall<ElevateWordToLabelCB> cbLambda) {
        return facadeSelectEntity(createCB(cbLambda));
    }

    protected OptionalEntity<ElevateWordToLabel> facadeSelectEntity(ElevateWordToLabelCB cb) {
        return doSelectOptionalEntity(cb, typeOfSelectedEntity());
    }

    }

    public OptionalEntity<KeyMatch> selectEntity(CBCall<KeyMatchCB> cbLambda) {
        return facadeSelectEntity(createCB(cbLambda));
    }

    protected OptionalEntity<KeyMatch> facadeSelectEntity(KeyMatchCB cb) {
        return doSelectOptionalEntity(cb, typeOfSelectedEntity());
    }

        return facadeSelectCount(createCB(cbLambda));
    }

    public OptionalEntity<RelatedContent> selectEntity(CBCall<RelatedContentCB> cbLambda) {
        return facadeSelectEntity(createCB(cbLambda));
    }

    protected OptionalEntity<RelatedContent> facadeSelectEntity(RelatedContentCB cb) {
        return doSelectOptionalEntity(cb, typeOfSelectedEntity());
    }

    }

    public OptionalEntity<RelatedQuery> selectEntity(CBCall<RelatedQueryCB> cbLambda) {
        return facadeSelectEntity(createCB(cbLambda));
    }

    protected OptionalEntity<RelatedQuery> facadeSelectEntity(RelatedQueryCB cb) {
        return doSelectOptionalEntity(cb, typeOfSelectedEntity());
    }

    }

    public OptionalEntity<FavoriteLog> selectEntity(CBCall<FavoriteLogCB> cbLambda) {
        return facadeSelectEntity(createCB(cbLambda));
    }

    protected OptionalEntity<FavoriteLog> facadeSelectEntity(FavoriteLogCB cb) {
        return doSelectOptionalEntity(cb, typeOfSelectedEntity());
    }

    }

    public OptionalEntity<Group> selectEntity(CBCall<GroupCB> cbLambda) {
        return facadeSelectEntity(createCB(cbLambda));
    }

    protected OptionalEntity<Group> facadeSelectEntity(GroupCB cb) {
        return doSelectOptionalEntity(cb, typeOfSelectedEntity());
    }