*/
        protected List<Map<String, Object>> facetField;
        /**
         * The list of facet queries and their counts.
         */
        protected List<Map<String, Object>> facetQuery;

        /**
         * Populates this response with search render data.
         * @param data The search render data to populate from.
         * @return This ApiDocsResponse instance.
         */

    /**
     * Generates URL query parameters for facet filtering.
     *
     * @return URL-encoded query string containing facet parameters
     */
    public static String facetQuery() {
        return createQuery(Constants.FACET_QUERY, FACET_PREFIX);
    }

    /**
     * Generates URL query parameters for geographic filtering.
     *
     * @return URL-encoded query string containing geographic parameters

    // View Parameters
    // ============================================================

    /** View parameter for facet query information. */
    public static final String FACET_QUERY = "fess.FacetQuery";

    /** View parameter for geo query information. */
    public static final String GEO_QUERY = "fess.GeoQuery";

    /** View parameter for facet form data. */

     * by calling buildInitParamMap for both parameter types.
     */
    protected void buildInitParams() {
        buildInitParamMap(viewHelper.getInitFacetParamMap(), Constants.FACET_QUERY, Constants.FACET_FORM);
        buildInitParamMap(viewHelper.getInitGeoParamMap(), Constants.GEO_QUERY, Constants.GEO_FORM);
    }

    /**

                        buf.append('}');
                    }
                }
                buf.append(']');
                // facet q
                buf.append(',');
                buf.append("\"facet_query\":[");
                if (facetResponse.getQueryCountMap() != null) {
                    boolean first1 = true;
                    for (final Map.Entry<String, Long> entry : facetResponse.getQueryCountMap().entrySet()) {