} catch (Exception e) {
            // Expected - utility classes should have private constructors
            assertTrue(e instanceof IllegalAccessException || e.getCause() instanceof IllegalAccessException
                    || e instanceof InstantiationException);
        }
    }

    @Test
    public void test_constants_and_static_methods() {
        // Verify all public static methods exist

        assertNotNull(result1);
        assertNotNull(result2);

        // Both results should be of the same type
        assertTrue(result1 instanceof MatchAllQueryBuilder);
        assertTrue(result2 instanceof MatchAllQueryBuilder);

        // Both should generate the same JSON
        String json1 = result1.toString().replaceAll("[\\s\\n]", "");

        QueryBuilder result = queryCommand.convertPhraseQuery(context, phraseQuery, 1.0f);

        assertNotNull(result);
        assertTrue(result instanceof MatchPhraseQueryBuilder);

        // Verify query was processed
        assertNotNull(result);
        assertTrue(result instanceof MatchPhraseQueryBuilder);
    }

    @Test
    public void test_convertPhraseQuery_unknownField() {

        // Test that FessUserNotFoundException is an instance of FessSystemException
        FessUserNotFoundException exception = new FessUserNotFoundException("testuser");

        assertTrue(exception instanceof FessSystemException);
        assertTrue(exception instanceof RuntimeException);
        assertTrue(exception instanceof Exception);
        assertTrue(exception instanceof Throwable);
    }

    @Test

        assertNotNull(result);
        assertTrue(result instanceof List);
        @SuppressWarnings("unchecked")
        List<Object> resultList = (List<Object>) result;
        assertEquals(3, resultList.size());

        // First element should be converted to Map since it's an Entity
        assertTrue(resultList.get(0) instanceof Map);

        assertTrue(exception instanceof SearchQueryException);
        assertTrue(exception instanceof FessSystemException);
        assertTrue(exception instanceof RuntimeException);
        assertTrue(exception instanceof Exception);
        assertTrue(exception instanceof Throwable);
    }

    @Test
    public void test_multipleInstantiations() {

    }

    @Test
    public void test_inheritance() {
        // Test that SsoLoginException extends FessSystemException
        SsoLoginException exception = new SsoLoginException("Test");

        assertTrue(exception instanceof FessSystemException);
        assertTrue(exception instanceof RuntimeException);
        assertTrue(exception instanceof Exception);

        QueryBuilder builder = queryProcessor.execute(context, prefixQuery, 1.0f);

        assertNotNull(builder);
        assertTrue(builder instanceof DefaultQueryBuilder);

        // Query was processed successfully
    }

    @Test
    public void test_convertPrefixQuery_withDefaultField_dismax() throws Exception {

        ResultOffsetExceededException exception = new ResultOffsetExceededException("Test message");

        assertTrue(exception instanceof FessSystemException);
        assertTrue(exception instanceof RuntimeException);
        assertTrue(exception instanceof Exception);
        assertTrue(exception instanceof Throwable);
    }

    @Test
    public void test_serialization() {
        // Test serialVersionUID exists

        QueryBuilder result = queryProcessor.execute(context, boostQuery, 1.0f);

        assertNotNull(result);
        assertTrue(result instanceof FuzzyQueryBuilder || result instanceof DefaultQueryBuilder || result instanceof DisMaxQueryBuilder);

        if (result instanceof FuzzyQueryBuilder) {
            FuzzyQueryBuilder fuzzyQueryBuilder = (FuzzyQueryBuilder) result;