/**
     * Calculates the hash code for this CharMappingItem based on inputs and output.
     *
     * @return the hash code value for this object
     */
    @Override
    public int hashCode() {
        return Objects.hash(Arrays.hashCode(inputs), output);
    }

    /**
     * Compares this CharMappingItem with another object for equality.
     * Two CharMappingItem objects are equal if they have the same inputs and output.

     * @param charMappingItem the character mapping item to store
     */
    public void store(final String dictId, final CharMappingItem charMappingItem) {
        getCharMappingFile(dictId).ifPresent(file -> {
            if (charMappingItem.getId() == 0) {
                file.insert(charMappingItem);
            } else {
                file.update(charMappingItem);
            }
        });
    }

                    }
                    continue;
                }

                id++;
                final CharMappingItem item = new CharMappingItem(id, inputs, output);

                if (updater != null) {
                    final CharMappingItem newItem = updater.write(item);
                    if (newItem != null) {
                        itemList.add(newItem);
                    } else {

        String[] inputs2 = { "a", "b" };
        String[] inputs3 = { "c", "d" };

        CharMappingItem item1 = new CharMappingItem(1L, inputs1, "output");
        CharMappingItem item2 = new CharMappingItem(2L, inputs2, "output");
        CharMappingItem item3 = new CharMappingItem(3L, inputs3, "output");
        CharMappingItem item4 = new CharMappingItem(4L, inputs1, "different");

        // Same inputs and output should have same hash code

        CharMappingItem item1 = result1.get();
        assertEquals(1L, item1.getId());
        assertArrayEquals(new String[] { "a", "b" }, item1.getInputs());
        assertEquals("c", item1.getOutput());

        OptionalEntity<CharMappingItem> result2 = charMappingFile.get(2L);
        assertTrue(result2.isPresent());
        CharMappingItem item2 = result2.get();
        assertEquals(2L, item2.getId());

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

    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:

                });
    }

    /**
     * Create an EditBody DTO from a CharMappingItem entity.
     *
     * @param entity source entity with mapping data
     * @param dictId identifier of the dictionary
     * @return populated EditBody for API responses
     */
    protected EditBody createEditBody(final CharMappingItem entity, final String dictId) {
        final EditBody body = new EditBody();