* Get the value for the key 'query.json.default.preference'. <br>
     * The value is, e.g. _query <br>
     * comment: Default preference for JSON queries.
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getQueryJsonDefaultPreference();

    /**
     * Get the value for the key 'query.gsa.default.preference'. <br>
     * The value is, e.g. _query <br>

        msg.addSource(new ChatSource(2, doc2));

        final String result = chatClient.testBuildAssistantHistoryContent(msg, "source_titles", 500, 500);
        assertEquals("Response text\n[Referenced documents: Installation Guide, Quick Start]", result);
    }

    @Test
    public void test_buildAssistantHistoryContent_sourceTitles_withoutSources() {

        this.timestamp = timestamp;
    }

    /**
     * Gets the list of sources referenced in the message.
     *
     * @return the list of sources
     */
    public List<ChatSource> getSources() {
        return sources;
    }

    /**
     * Sets the list of sources referenced in the message.
     *
     * @param sources the list of sources
     */

        assertEquals("processed_site1", result); // Still site1 due to header precedence

        // Test with custom header
        request.addHeader("Custom-Header", "custom.value");
        result = virtualHostHelper.processVirtualHost(s -> "processed_" + s, "default");
        assertEquals("processed_site1", result); // Still site1 due to header precedence
    }

    @Test

        assertTrue(exception1.getCause() instanceof java.io.IOException);

        StorageException exception2 = new StorageException("NPE", new NullPointerException("Null reference"));
        assertTrue(exception2.getCause() instanceof NullPointerException);

        StorageException exception3 = new StorageException("Custom", new FessSystemException("System error"));

        final Element root = webXmlDocument.getDocumentElement();
        final String schemaLocation = root.getAttributeNS("http://www.w3.org/2001/XMLSchema-instance", "schemaLocation");
        assertTrue("schemaLocation should reference web-app_6_1.xsd", schemaLocation.contains("web-app_6_1.xsd"));
    }

        assertTrue(exception2.getCause() instanceof IllegalArgumentException);

        // Test with NullPointerException
        NullPointerException nullPointerException = new NullPointerException("Null reference");
        SsoLoginException exception3 = new SsoLoginException(message, nullPointerException);
        assertEquals(message, exception3.getMessage());
        assertTrue(exception3.getCause() instanceof NullPointerException);

     */
    protected String sanitizeDocumentContent(final String text) {
        if (StringUtil.isBlank(text)) {
            return text;
        }
        return text.replace("--- REFERENCE DOCUMENTS", "\\-\\-\\- REFERENCE DOCUMENTS")
                .replace("--- SEARCH RESULTS", "\\-\\-\\- SEARCH RESULTS")
                .replace("--- USER QUERY", "\\-\\-\\- USER QUERY")

        // Verify the parameter's values can still be modified (not deeply immutable)
        assertEquals("modified1", param.getValues()[0]);

        // This shows that the class returns the same array reference
        assertSame(retrievedValues, param.getValues());
    }

    @Test
    public void test_largeValueArray() {
        // Test with large array of values
        String name = "largeParam";

        assertFalse(tag.matches(wrongTag));
    }

    @Test
    public void test_matches_complexCombinations() {
        // Test tag with both id and css (id takes precedence)
        PrunedTag tagWithIdAndCss = new PrunedTag("div");
        tagWithIdAndCss.setId("main");
        tagWithIdAndCss.setCss("container");

        MockNode nodeWithBothIdAndClass = new MockNode("div");