cl.delegate = builder
        cl.call()
        def firstChild = parent.getFirstChild()
        builder.elements.each { element ->
            parent.insertBefore(element, firstChild)
        }
    }

    public static void addBefore(Node sibling, Closure cl) {
        DomBuilder builder = new DomBuilder(sibling.ownerDocument, null)
        cl.delegate = builder

        for (final BooleanClause clause : booleanQuery.clauses()) {
            final QueryBuilder queryBuilder = getQueryProcessor().execute(context, clause.query(), boost);
            if (queryBuilder != null) {
                switch (clause.occur()) {
                case MUST:
                    boolQuery.must(queryBuilder);
                    break;
                case SHOULD:

        final LlmChatResponse response = new LlmChatResponse("Initial");
        response.setContent(null);
        response.setFinishReason(null);
        response.setPromptTokens(null);
        response.setCompletionTokens(null);
        response.setTotalTokens(null);
        response.setModel(null);

        assertNull(response.getContent());
        assertNull(response.getFinishReason());

        // Test with null command list
        try {
            final File outputFile = File.createTempFile("test", ".out");
            outputFile.delete();
            generator.setCommandList(null);
            generator.generate("test", outputFile);
            assertTrue(true);
        } catch (final Exception e) {
            assertTrue("Null command list should be handled", true);
        }

        private boolean resolveCalled = false;
        private Class<?> lastCredentialType;
        private Function<?, ?> lastFunction;

        public TestLoginCredentialResolver() {
            super(null); // Pass null since we're mocking
        }

        @Override
        public <CREDENTIAL extends LoginCredential> void resolve(final Class<CREDENTIAL> credentialType,

            final Throwable cause = t.getCause();
            if (cause != null) {
                errorName = cause.getClass().getCanonicalName();
            } else {
                errorName = t.getClass().getCanonicalName();
            }
            final FailureUrl failureUrl = storeFailureUrl(crawlerContext, urlQueue, errorName, t);
            if (failureUrl != null) {
                failureUrlId = failureUrl.getId();
            }

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

        id = null;
        name = null;
        value = null;
        sortOrder = null;
        createdBy = null;
        createdTime = null;
        versionNo = null;

    }

    /**
     * Gets the default current page number.
     * @return The default current page number.
     */

            return "exitCode=" + exitCode + ", stdout=" + summarize(stdout) + ", stderr=" + summarize(stderr);
        }

        private static String summarize(String s) {
            if (s == null) return "null";
            String t = s.replace("\n", "\\n");
            if (t.length() > 500) return t.substring(0, 500) + "...(truncated)";
            return t;
        }
    }

    }

    // advance

    @Override
    public int getStartPosition() {
        if (start == null) {
            start = ComponentUtil.getFessConfig().getPagingSearchPageStartAsInteger();
        }
        return start;
    }

    @Override
    public int getOffset() {
        if (offset == null) {
            offset = 0;
        }
        return offset;
    }

    @Override

     * @return true if the document matches the expression, false otherwise
     */
    public boolean match(final Map<String, Object> map) {

        if (map == null || map.isEmpty() || matchExpression == null) {
            return false;
        }

        final Object value = ComponentUtil.getScriptEngineFactory().getScriptEngine(scriptType).evaluate(matchExpression, map);