assertEquals("b2", itemList.get(1).getInputs()[1]);
        assertEquals("B1", itemList.get(1).getOutputs()[0]);
        assertFalse(itemList.get(1).isUpdated());

        assertEquals(1, itemList.get(2).getInputs().length);
        assertEquals(2, itemList.get(2).getOutputs().length);
        assertEquals("c1", itemList.get(2).getInputs()[0]);

        assertEquals(1, synonymItem.getId());
        assertEquals(2, synonymItem.getInputs().length);
        assertEquals("a", synonymItem.getInputs()[0]);
        assertEquals("A", synonymItem.getInputs()[1]);
        assertEquals(2, synonymItem.getOutputs().length);
        assertEquals("b", synonymItem.getOutputs()[0]);

        assertEquals("a", item.getInputs()[0]);

        // NewInputs not sorted yet
        assertEquals("9", item.getNewInputs()[0]);

        // Call sort
        item.sort();

        // Both should be sorted
        assertEquals("a", item.getInputs()[0]);
        assertEquals("m", item.getInputs()[1]);
        assertEquals("z", item.getInputs()[2]);

        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());
        assertArrayEquals(new String[] { "d", "e" }, item2.getInputs());
        assertEquals("f", item2.getOutput());

     * Returns a defensive copy to prevent external modification.
     *
     * @return array of input sequences (defensive copy)
     */
    public String[] getInputs() {
        return inputs == null ? null : inputs.clone();
    }

    /**
     * Returns all input sequences joined with newline characters as a single string.

    /**
     * Gets the original input words.
     * Returns a defensive copy to prevent external modification.
     *
     * @return The original input words (defensive copy).
     */
    public String[] getInputs() {
        return inputs == null ? null : inputs.clone();
    }

    /**
     * Gets the input words as a newline-separated string.
     *
     * @return The input words as a string.
     */

        final Iterator<ImageReader> readers = ImageIO.getImageReaders(input);
        if (readers.hasNext()) {
            final ImageReader reader = readers.next();
            try {
                reader.setInput(input);
                final ImageReadParam param = reader.getDefaultReadParam();
                final int width = reader.getWidth(0);
                final int height = reader.getHeight(0);