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

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

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

    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);

    //                                                                       Assist Logic
    //                                                                       ============
    private static OptionalEntity<User> getEntity(final CreateForm form) {
        switch (form.crudMode) {
        case CrudMode.CREATE:
            return OptionalEntity.of(new User()).map(entity -> {

    //                                                                        Assist Logic
    //                                                                        ============
    public static OptionalEntity<FileAuthentication> getEntity(final CreateForm form, final String username, final long currentTime) {
        switch (form.crudMode) {
        case CrudMode.CREATE:
            return OptionalEntity.of(new FileAuthentication()).map(entity -> {

    //                                                                        Assist Logic
    //                                                                        ============
    public static OptionalEntity<ElevateWord> getEntity(final CreateForm form, final String username, final long currentTime) {
        switch (form.crudMode) {
        case CrudMode.CREATE:
            return OptionalEntity.of(new ElevateWord()).map(entity -> {

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

    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);