return false;
        }
        final SynonymItem other = (SynonymItem) obj;
        if (!ArrayUtil.equalsIgnoreSequence(inputs, other.inputs) || !ArrayUtil.equalsIgnoreSequence(outputs, other.outputs)) {
            return false;
        }
        return true;
    }

    @Override
    public String toString() {

        synonymItem.setNewInputs(new String[0]);
        synonymItem.setNewOutputs(new String[0]);
        assertTrue(synonymItem.isUpdated());
        assertTrue(synonymItem.isDeleted());
    }

    @Test
    public void test_new2() {
        final SynonymItem synonymItem = new SynonymItem(1, new String[] { "A", "a" }, new String[] { "B", "b" });
        assertEquals(1, synonymItem.getId());

        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.

        List<SynonymItem> itemList = new ArrayList<>();
        itemList.add(new SynonymItem(1, new String[] { "a1" }, new String[] { "A1" }));
        itemList.add(new SynonymItem(2, new String[] { "b1", "b2" }, new String[] { "B1" }));
        itemList.add(new SynonymItem(3, new String[] { "c1" }, new String[] { "C1", "C2" }));
        itemList.add(new SynonymItem(4, new String[] { "x1", "X1" }, new String[] { "x1", "X1" }));

        return path;
    }

    @Override
    public synchronized OptionalEntity<SynonymItem> get(final long id) {
        if (synonymItemList == null) {
            reload(null);
        }

        for (final SynonymItem synonymItem : synonymItemList) {
            if (id == synonymItem.getId()) {
                return OptionalEntity.of(synonymItem);
            }
        }
        return OptionalEntity.empty();
    }

                });
    }

    /**
     * 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: