private static OptionalEntity<CharMappingItem> getEntity(final CreateForm form) {
        switch (form.crudMode) {
        case CrudMode.CREATE:
            final CharMappingItem entity = new CharMappingItem(0, StringUtil.EMPTY_STRINGS, StringUtil.EMPTY);
            return OptionalEntity.of(entity);
        case CrudMode.EDIT:
            if (form instanceof EditForm) {

    private static OptionalEntity<SynonymItem> getEntity(final CreateForm form) {
        switch (form.crudMode) {
        case CrudMode.CREATE:
            final SynonymItem entity = new SynonymItem(0, StringUtil.EMPTY_STRINGS, StringUtil.EMPTY_STRINGS);
            return OptionalEntity.of(entity);
        case CrudMode.EDIT:
            if (form instanceof EditForm) {

    }

    /**
     * Retrieves a specific request header by its ID.
     *
     * @param id the unique identifier of the request header
     * @return an OptionalEntity containing the request header if found, empty otherwise
     */
    public OptionalEntity<RequestHeader> getRequestHeader(final String id) {
        return requestHeaderBhv.selectByPK(id);
    }

    /**

    //                                                                        ============
    private static OptionalEntity<PathMapping> getEntity(final CreateForm form, final String username, final long currentTime) {
        switch (form.crudMode) {
        case CrudMode.CREATE:
            return OptionalEntity.of(new PathMapping()).map(entity -> {
                entity.setCreatedBy(username);

    private static OptionalEntity<ProtwordsItem> getEntity(final CreateForm form) {
        switch (form.crudMode) {
        case CrudMode.CREATE:
            final ProtwordsItem entity = new ProtwordsItem(0, StringUtil.EMPTY);
            return OptionalEntity.of(entity);
        case CrudMode.EDIT:
            if (form instanceof EditForm) {

    //                                                                        ============

    private static OptionalEntity<AccessToken> getEntity(final CreateForm form, final String username, final long currentTime) {
        switch (form.crudMode) {
        case CrudMode.CREATE:
            return OptionalEntity.of(new AccessToken()).map(entity -> {
                entity.setCreatedBy(username);

     *
     * @param id the unique identifier of the duplicate host configuration
     * @return an OptionalEntity containing the DuplicateHost if found, empty otherwise
     * @throws IllegalArgumentException if id is null or empty
     */
    public OptionalEntity<DuplicateHost> getDuplicateHost(final String id) {
        return duplicateHostBhv.selectByPK(id);
    }

    /**

     *
     * @param form the create form
     * @return optional group entity
     */
    private static OptionalEntity<Group> getEntity(final CreateForm form) {
        switch (form.crudMode) {
        case CrudMode.CREATE:
            return OptionalEntity.of(new Group()).map(entity -> {
                entity.setId(Base64.getUrlEncoder().encodeToString(form.name.getBytes(Constants.CHARSET_UTF_8)));

    //                                                                        ============

    private static OptionalEntity<RelatedQuery> getEntity(final CreateForm form, final String username, final long currentTime) {
        switch (form.crudMode) {
        case CrudMode.CREATE:
            return OptionalEntity.of(new RelatedQuery()).map(entity -> {
                entity.setCreatedBy(username);

    private static OptionalEntity<KuromojiItem> getEntity(final CreateForm form) {
        switch (form.crudMode) {
        case CrudMode.CREATE:
            final KuromojiItem entity = new KuromojiItem(0, StringUtil.EMPTY, StringUtil.EMPTY, StringUtil.EMPTY, StringUtil.EMPTY);
            return OptionalEntity.of(entity);
        case CrudMode.EDIT: