*
     * @param dictId The dictionary ID.
     * @param id The ID of the Kuromoji item.
     * @return An optional entity of the Kuromoji item.
     */
    public OptionalEntity<KuromojiItem> getKuromojiItem(final String dictId, final long id) {
        return getKuromojiFile(dictId).map(file -> file.get(id).get());
    }

    /**
     * Store a Kuromoji item.
     *
     * @param dictId The dictionary ID.

     */
    @Execute
    @Secured({ ROLE })
    public HtmlResponse edit(final EditForm form) {
        validate(form, messages -> {}, () -> asListHtml(form.dictId));
        kuromojiService.getKuromojiItem(form.dictId, form.id).ifPresent(entity -> {
            copyBeanToBean(entity, form, op -> {});
        }).orElse(() -> {