*/
    private static class TestableLoadControlFilter extends LoadControlFilter {
        private short cpuPercent = 0;
        private int webLoadControl = 0;
        private int apiLoadControl = 0;

        public void setCpuPercent(final short cpuPercent) {
            this.cpuPercent = cpuPercent;
        }

        public void setWebLoadControl(final int webLoadControl) {

        this.additionalQuery = additionalQuery;
    }

    /**
     * Adds a default sort configuration to be applied when no explicit sorting is specified.
     * This method appends the new sort to existing default sorts.
     *
     * @param fieldName the field name to sort by
     * @param order the sort order ("ASC" or "DESC")
     */
    public void addDefaultSort(final String fieldName, final String order) {

        assertEquals("\"longKey\":9876543210", buf.toString());
    }

    // Test append method with Short value
    @Test
    public void test_append_shortValue() {
        StringBuilder buf = new StringBuilder();
        Supplier<Object> supplier = () -> Short.valueOf((short) 42);

        monitorTarget.append(buf, "shortKey", supplier);
        assertEquals("\"shortKey\":42", buf.toString());
    }

    protected String productVersion;

    /** The end-of-life timestamp for the application. */
    protected long eolTime;

    private short systemCpuPercent;

    private long systemCpuCheckTime;

    private long systemCpuCheckInterval = 1000L;

    private volatile short searchEngineCpuPercent;

    private volatile TimeoutTask loadControlMonitorTask;

    /** A map of listeners for configuration updates. */

            method.setAccessible(true);

            org.opensearch.search.sort.SortBuilder<?> result = (org.opensearch.search.sort.SortBuilder<?>) method.invoke(queryHelper,
                    "timestamp", org.opensearch.search.sort.SortOrder.DESC);

            assertNotNull(result);

                tempBuf.append("null");
            } else if (value instanceof Integer || value instanceof Long) {
                tempBuf.append(value);
            } else if (value instanceof Short) {
                tempBuf.append(((Short) value).shortValue());
            } else if (value instanceof double[]) {
                tempBuf.append(Arrays.toString((double[]) value));
            } else {

        // System.out.println("size: " + getObjectSize(""));
        assertEquals(24L, MemoryUtil.sizeOf(Integer.MAX_VALUE));
        assertEquals(24L, MemoryUtil.sizeOf(Long.MAX_VALUE));
        assertEquals(24L, MemoryUtil.sizeOf(Short.MAX_VALUE));
        assertEquals(24L, MemoryUtil.sizeOf(Float.MAX_VALUE));
        assertEquals(24L, MemoryUtil.sizeOf(Double.MAX_VALUE));
        assertEquals(24L, MemoryUtil.sizeOf(Byte.MAX_VALUE));

    @Test
    public void test_buildAssistantHistoryContent_truncated_shortContent() {
        final ChatMessage msg = ChatMessage.assistantMessage("Short");
        final String result = chatClient.testBuildAssistantHistoryContent(msg, "truncated", 500, 500);
        assertEquals("Short", result);
    }

    // ========== extractHistory tests ==========

    @Test
    public void test_extractHistory_fullMode() {

labels.protocolScheme=Scheme
labels.purgeByBots=Purge Bots
labels.logLevel=Log Level
labels.purgeSearchLogDay=Purge Search Log
labels.query=Query
labels.queryId=Query ID
labels.rt=rt
labels.searchLog=Search Log
labels.sort=Sort
labels.start=Start
labels.loginRequired=Login Required
labels.loginLink=Show Login Link
labels.threadName=Thread Name
labels.url=URL
labels.userFavorite=Favorite Log
labels.userInfo=User Info

    }

    @Test
    public void test_toStringShortContent() {
        final LlmMessage message = new LlmMessage("user", "Short content");
        final String str = message.toString();
        assertTrue(str.contains("role='user'"));
        assertTrue(str.contains("content='Short content'"));
    }

    @Test
    public void test_toStringLongContent() {
        final StringBuilder longContent = new StringBuilder();