String[] originalOutputs = { "x", "y", "z" };
        SynonymItem item = new SynonymItem(1, new String[] { "a" }, originalOutputs);

        String[] returnedOutputs = item.getOutputs();

        // Modifying returned array should not affect original
        returnedOutputs[0] = "modified";

        // Get again and verify not modified
        String[] outputs2 = item.getOutputs();
        assertEquals("x", outputs2[0]);