@DisplayName("Should get and set key")
        void testGetAndSetKey() {
            String key = "cache-key-123";

            // Test with mock
            when(mockReferralData.getKey()).thenReturn(key);
            doNothing().when(mockReferralData).setKey(key);

            mockReferralData.setKey(key);
            String retrievedKey = mockReferralData.getKey();

            assertEquals(key, retrievedKey);

            }
        }
    }

    private static String[] splitLine(final String value) {
        if (StringUtil.isBlank(value)) {
            return StringUtil.EMPTY_STRINGS;
        }
        final String[] values = value.split("[\r\n]");
        final List<String> list = new ArrayList<>(values.length);
        for (final String line : values) {
            if (StringUtil.isNotBlank(line)) {

    }

    @Test
    void testInit_success() throws ServletException {
        // Test successful initialization with valid configuration
        Map<String, String> initParams = new HashMap<>();
        initParams.put("jcifs.smb.client.domain", "TEST_DOMAIN");
        initParams.put("jcifs.http.domainController", "dc.test.com");
        initParams.put("jcifs.http.enableBasic", "true");

	)

	id := Identifier{}
	validCases := []string{
		"a",
		"_a",
		"abc_a",
		"a2",
		`"abc"`,
		`"abc\a""ac"`,
	}
	for i, tc := range validCases {
		err := p.ParseString(tc, &id)
		if err != nil {
			t.Fatalf("%d: %v", i, err)
		}
		// repr.Println(id, repr.Indent("  "), repr.OmitEmpty(true))
	}

	invalidCases := []string{
		"+a",
		"-a",
		"1a",
		`"ab`,
		`abc"`,

    private int currentPageNumber;

    /** Configuration ID */
    public String id;

    /** Configuration name */
    public String name;

    /** File system paths to crawl */
    public String paths;

    /** Number of threads for crawling */
    public String numOfThread;

    /** Interval time between crawling operations */
    public String intervalTime;

    /** Boost value for search ranking */

        fileTransformer.setName("fileTransformer");
        Map<String, String> featureMap = newHashMap();
        featureMap.put("http://xml.org/sax/features/namespaces", "false");
        fileTransformer.setFeatureMap(featureMap);
        Map<String, String> propertyMap = newHashMap();
        fileTransformer.setPropertyMap(propertyMap);
        Map<String, String> childUrlRuleMap = newHashMap();
        childUrlRuleMap.put("//A", "href");

        }
    }

    private static String parseSourceLang(String lineTrimmed) {
        var m = SOURCE_LANG_PATTERN.matcher(lineTrimmed);
        if (m.matches()) {
            return m.group(1).toLowerCase(Locale.ROOT);
        }
        return null;
    }

    private static Language deduceLanguage(String sourceLang) {
        if (sourceLang != null) {

        reset(mockHandle);
    }

    @Test
    void testConstructor_SuccessfulConnect4() throws IOException {
        // Test case: Constructor with successful MsrpcSamrConnect4
        String server = "testServer";
        int access = 123;

        // No exception thrown by sendrecv for MsrpcSamrConnect4
        doNothing().when(mockHandle).sendrecv(any(MsrpcSamrConnect4.class));

    /**
     * The optional interpolation source used for interpolation.
     *
     * @return the interpolation source for interpolation
     */
    @Nonnull
    Optional<UnaryOperator<String>> getInterpolationSource();

    @Nonnull
    static SettingsBuilderRequest build(
            @Nonnull ProtoSession session,
            @Nonnull Source installationSettingsSource,

    /**
     * GETs the source URI content as string. The source MUST BE relative from the {@link RemoteRepository#getUrl()}
     * root.
     *
     * @return the string if operation succeeded, {@code null} if source does not exist.
     * @throws RuntimeException If failed (and not due source not exists).
     */
    @Nonnull
    Optional<String> getString(@Nonnull URI relativeSource, @Nonnull Charset charset);

    /**