}

    // Test getDefaultKeyword with null fieldLogMap
    public void test_getDefaultKeyword_nullFieldLogMap() {
        queryContext = new QueryContext("test", false);
        List<String> keywords = queryContext.getDefaultKeyword();
        assertNotNull(keywords);
        assertTrue(keywords.isEmpty());
    }

    // Test getDefaultKeyword with existing default field

    }

    /**
     * Gets the default field keywords from the field log.
     * @return List of keywords for the default field, or empty list if none.
     */
    public List<String> getDefaultKeyword() {
        if (fieldLogMap != null) {
            return fieldLogMap.getOrDefault(Constants.DEFAULT_FIELD, Collections.emptyList());
        }
        return Collections.emptyList();
    }

    /**