// Verify highlighted fields are initialized
        assertNotNull(queryFieldConfig.getHighlightedFields());
        assertTrue(queryFieldConfig.getHighlightedFields().length > 0);
        assertEquals("content", queryFieldConfig.getHighlightedFields()[0]);

        // Verify search fields are initialized
        assertNotNull(queryFieldConfig.getSearchFields());

    }

    /**
     * Gets the fields that can be highlighted in search results.
     *
     * @return array of field names that can be highlighted
     */
    public String[] getHighlightedFields() {
        return highlightedFields;
    }

    /**
     * Sets the fields that can be highlighted in search results.
     *
     * @param highlightedFields array of field names that can be highlighted