getSynonymFile(dictId).ifPresent(file -> {
            if (synonymItem.getId() == 0) {
                file.insert(synonymItem);
            } else {
                file.update(synonymItem);
            }
        });
    }

    /**
     * Deletes a synonym item from the specified dictionary.
     *
     * @param dictId      The ID of the dictionary.

                });
    }

    /**
     * Creates an EditBody from a SynonymItem entity for API responses.
     *
     * @param entity the SynonymItem entity to convert
     * @param dictId the dictionary ID
     * @return the converted EditBody object
     */
    protected EditBody createEditBody(final SynonymItem entity, final String dictId) {
        final EditBody body = new EditBody();

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

    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: