}

    @Test
    public void test_defensiveCopy_newInputs() {
        // Test that getNewInputs() returns defensive copy
        SynonymItem item = new SynonymItem(1, new String[] { "a" }, new String[] { "x" });
        item.setNewInputs(new String[] { "p", "q", "r" });

        String[] returnedInputs = item.getNewInputs();

        // Modifying returned array should not affect original

    }

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

    /**
     * Sets the new input words.
     *
     * @param newInputs The new input words.
     */

     * Returns a defensive copy to prevent external modification.
     *
     * @return array of new input sequences (defensive copy), or null if no updates are pending
     */
    public String[] getNewInputs() {
        return newInputs == null ? null : newInputs.clone();
    }

    /**
     * Sets the array of new input character sequences for update operations.
     *