assertEquals("r", outputs2[2]);
    }

    @Test
    public void test_defensiveCopy_nullArrays() {
        // Test that defensive copy handles null arrays correctly
        SynonymItem item1 = new SynonymItem(1, new String[] { "a" }, new String[] { "x" });

        // Set to null
        item1.setNewInputs(null);
        item1.setNewOutputs(null);

        // Should return null, not crash

        // Initially not deleted
        assertFalse(item.isDeleted());

        // Set newInputs to empty array and newOutput
        item.setNewInputs(new String[] {});
        item.setNewOutput("output");
        assertTrue(item.isDeleted());

        // Set newInputs to non-empty array - not deleted
        item.setNewInputs(new String[] { "something" });
        assertFalse(item.isDeleted());
    }

    }

    // Helper method to assert array equality
    private void assertArrayEquals(String[] expected, String[] actual) {
        if (expected == null && actual == null) {
            return;
        }
        assertNotNull(expected, "Expected array is null but actual is not");
        assertNotNull(actual, "Actual array is null but expected is not");
        assertEquals("Array lengths differ", expected.length, actual.length);

        request.getSession().setAttribute(OIC_STATE, state);
        return new AuthorizationCodeRequestUrl(getOicAuthServerUrl(), getOicClientId())//
                .setScopes(Arrays.asList(getOicScope()))//
                .setResponseTypes(Arrays.asList("code"))//
                .setRedirectUri(getOicRedirectUrl())//
                .setState(state)//
                .build();
    }

    /**

        }
        try {
            suggester.settings().array().delete(SuggestSettings.DefaultKeys.SUPPORTED_FIELDS);
            split(fessConfig.getSuggestFieldIndexContents(), ",").of(stream -> stream.filter(StringUtil::isNotBlank).forEach(field -> {
                try {
                    suggester.settings().array().add(SuggestSettings.DefaultKeys.SUPPORTED_FIELDS, field);

/**
 * Helper class for language detection.
 */
public class LanguageHelper {
    private static final Logger logger = LogManager.getLogger(LanguageHelper.class);

    /** An array of language fields. */
    protected String[] langFields;

    /** An array of supported languages. */
    protected String[] supportedLanguages;

    /** The language detector. */
    protected LanguageDetector detector;

        } else if (logger.isDebugEnabled()) {
            logger.debug("Skipping child URL: url={}", u);
        }
    }

    /**
     * Checks if the byte array contains UTF-8 BOM (Byte Order Mark).
     *
     * @param b the byte array to check
     * @return true if the bytes represent UTF-8 BOM, false otherwise
     */
    private boolean isUtf8BomBytes(final byte[] b) {

        } finally {
            CloseableUtil.closeQuietly(writer);
        }
    }

    // Helper method to assert arrays are equal (handles sorting)
    private void assertArrayEquals(String[] expected, String[] actual) {
        java.util.Arrays.sort(expected);
        java.util.Arrays.sort(actual);
        assertEquals(expected.length, actual.length);
        for (int i = 0; i < expected.length; i++) {

                return Arrays.stream(arrayContent.split(","))
                        .map(s -> s.trim().replaceAll("^\"|\"$", ""))
                        .filter(StringUtil::isNotBlank)
                        .collect(Collectors.toList());
            }
        }
        return Collections.emptyList();
    }

    /**
     * Extracts an integer array from JSON response.
     *

        String sessionId = "test_replace";
        // Use sleep commands that run longer so we can verify they're running
        List<String> cmdList1 = Arrays.asList("sleep", "10");
        List<String> cmdList2 = Arrays.asList("sleep", "10");
        Consumer<ProcessBuilder> pbCall = pb -> {
            pb.redirectErrorStream(true);
        };

        try {
            // Start first process