assertTrue(queryFieldConfig.searchFieldSet.contains("field3"));
    }

    /**
     * Test that setting facet fields creates both array and Set.
     */
    @Test
    public void test_setFacetFields_createsSet() {
        String[] fields = { "facet1", "facet2", "facet3" };
        queryFieldConfig.setFacetFields(fields);

        // Verify array is set
        assertNotNull(queryFieldConfig.facetFields);

    public void test_getFacetFields() {
        String[] fields = { "facet1", "facet2", "facet3" };
        queryFieldConfig.setFacetFields(fields);

        String[] result = queryFieldConfig.getFacetFields();
        assertSame(fields, result);
    }

    @Test
    public void test_setFacetFields() {
        String[] fields = { "facet1", "facet2", "facet3" };
        queryFieldConfig.setFacetFields(fields);

    }

    /**
     * Gets the fields that can be used for faceted search.
     *
     * @return array of field names that can be used for faceted search
     */
    public String[] getFacetFields() {
        return facetFields;
    }

    /**
     * Sets the fields that can be used for faceted search.
     * Also updates the facetFieldSet for O(1) lookup performance.
     *

 * including the actual search results, pagination information, facet data,
 * execution timing, and highlighting parameters.
 */
public class SearchRenderData {

    /** List of search result documents. */
    protected List<Map<String, Object>> documentItems;

    /** Facet response containing aggregated search facets. */
    protected FacetResponse facetResponse;

     */
    public void setExecTime(final long execTime) {
        this.execTime = execTime;
    }

    /**
     * Gets the facet response containing aggregated search facets and their counts.
     *
     * @return the facet response, or null if no facets were requested
     */
    public FacetResponse getFacetResponse() {
        return facetResponse;
    }

    /**

    /** Prefix for geographic query parameters */
    private static final String GEO_PREFIX = "geo.";

    /** Prefix for facet query parameters */
    private static final String FACET_PREFIX = "facet.";

    /** Format identifier for PDF date parsing */
    private static final String PDF_DATE = "pdf_date";

    /** Regular expression pattern for matching email addresses */

            example: ["timestamp:[now/d-1d TO *]"]
        - name: facet.size
          in: query
          description: Item size in facets returned by facet.field
          required: false
          schema:
            type: integer
            minimum: 0
            exclusiveMinimum: false
            default: 10
            example: 10
        - name: facet.minDocCount
          in: query

    <example>
      ${fe:pagingQuery("ex_q=timestamp:")}
    </example>
  </function>

  <function>
    <description>
      Returns query parameters for Facet.
    </description>
    <name>facetQuery</name>
    <function-class>org.codelibs.fess.taglib.FessFunctions</function-class>
    <function-signature>java.lang.String facetQuery()</function-signature>
    <example>

    }

    /**
     * Gets the default facet information configuration.
     *
     * @return the default facet information, or null if not configured
     */
    public FacetInfo getDefaultFacetInfo() {
        return defaultFacetInfo;
    }

    /**
     * Sets the default facet information configuration for search results.
     *
     * @param defaultFacetInfo the facet information to use as default
     */

    // ============================================================
    // Facet and Query Constants
    // ============================================================

    /** Prefix for facet field identifiers. */
    public static final String FACET_FIELD_PREFIX = "field:";

    /** Prefix for facet query identifiers. */
    public static final String FACET_QUERY_PREFIX = "query:";