return null;
    }

    @Override
    protected String createFromHint() {
        return null;
    }

    @Override
    protected String createSqlSuffix() {
        return null;
    }

    @Override
    public void fetchFirst(int fetchSize) {
        _fetchScopeEffective = true;
        if (fetchSize < 0) {
            String msg = "Argument[fetchSize] should be plus: " + fetchSize;

        return toBigInteger(o, null);
    }

    /**
     * Converts to {@link BigInteger}.
     *
     * @param o
     *            The object to convert
     * @param pattern
     *            The pattern string
     * @return The converted {@link BigInteger}
     */
    public static BigInteger toBigInteger(final Object o, final String pattern) {
        if (o == null) {
            return null;

ame":"dillon","roleArn":"arn:minio:iam:::role/nOybJqMNzNmroqEKq5D0","sa-policy":"inherited-policy","sub":"Cit1aWQ9ZGlsbG9uLG91"},"sessionPolicy":null,"status":"on","name":"","description":"","expiration":"1970-01-01T00:00:00Z"},"dillon-svcacct-1":{"parent":"oCnAoSQFtdVQtKwrB73j","accessKey":"dillon-svcacct-1","secretKey":"dillon-svcacct-1","groups":null,"claims":{"accessKey":"dillon-svcacct-1","parent":"oCnAoSQFtdVQtKwrB73j","sa-policy":"embedded-policy","sessionPolicy":"eyJWZXJzaW9uIjoiIiwi==",...

     * @param url the URL to convert
     * @return the converted URL after applying all duplicate host rules,
     *         or null if the input URL is null
     */
    public String convert(final String url) {
        if (url == null) {
            return null;
        }

        if (duplicateHostList == null) {
            init();
        }

        String newUrl = url;

    /**
     * The one-based index of the column containing the error.
     */
    private final int columnNumber;

    public ModelParserException() {
        this(null, null);
    }

    public ModelParserException(String message) {
        this(message, null);
    }

    public ModelParserException(String message, Throwable cause) {
        this(message, -1, -1, cause);
    }

import org.codelibs.fess.unit.UnitFessTestCase;

public class SystemUtilTest extends UnitFessTestCase {

    public void test_getSearchEngineHttpAddress_null() {
        // Clear the system property to test null case
        String originalValue = System.getProperty(Constants.FESS_SEARCH_ENGINE_HTTP_ADDRESS);
        System.clearProperty(Constants.FESS_SEARCH_ENGINE_HTTP_ADDRESS);

        try {

        assertEquals("abcd", normalizer.normalize("ａｂｃｄ", null));
        assertEquals("みかん", normalizer.normalize("みかん", null));
        assertEquals("みかん ﾘﾝｺﾞ", normalizer.normalize("みかん　リンゴ", null));
    }

    public void test_AnyLower() {
        ICUNormalizer normalizer = new ICUNormalizer("Any-Lower");
        assertEquals("abcd", normalizer.normalize("ABCD", null));
    }

    public void test_HalfwidthFullwidth() {

        if (this.scope != null && this.scope.length() != 0) {
            result += this.scope.hashCode();
        }
        return result;
    }

    @Override
    public boolean equals(final Object obj) {
        Name n;

        if (!(obj instanceof Name)) {
            return false;
        }
        n = (Name) obj;
        if (this.scope == null && n.scope == null) {

        // Test with null classification name
        try {
            provider.provide(null);
            fail("Should throw exception for null classification name");
        } catch (ProvidedClassificationNotFoundException e) {
            // expected
            assertTrue(e.getMessage().contains("Not found the classification: null"));
        } catch (NullPointerException e) {

        pageSize = getDefaultPageSize();
        currentPageNumber = getDefaultCurrentPageNumber();

        id = null;
        regex = null;
        replacement = null;
        processType = null;
        sortOrder = null;
        createdBy = null;
        createdTime = null;
        versionNo = null;

    }

    /**
     * Gets the default current page number.
     *