/**
 * QueryHelper is responsible for building and managing OpenSearch queries for Fess search functionality.
 * It handles query construction, role-based access control, boost functions, sorting, and search preferences.
 * This class serves as the central component for translating user search requests into properly formatted
 * OpenSearch queries with appropriate filters and scoring mechanisms.
 */
public class QueryHelper {

    protected HpSpecification _specification;

    // ===================================================================================
    //                                                                             Control
    //                                                                             =======
    @Override
    public BoostDocumentRuleDbm asDBMeta() {
        return BoostDocumentRuleDbm.getInstance();
    }

    protected HpSpecification _specification;

    // ===================================================================================
    //                                                                             Control
    //                                                                             =======
    @Override
    public FileAuthenticationDbm asDBMeta() {
        return FileAuthenticationDbm.getInstance();
    }

    protected HpSpecification _specification;

    // ===================================================================================
    //                                                                             Control
    //                                                                             =======
    @Override
    public KeyMatchDbm asDBMeta() {
        return KeyMatchDbm.getInstance();
    }

    @Override

    protected HpSpecification _specification;

    // ===================================================================================
    //                                                                             Control
    //                                                                             =======
    @Override
    public LabelTypeDbm asDBMeta() {
        return LabelTypeDbm.getInstance();
    }

    @Override

    protected HpSpecification _specification;

    // ===================================================================================
    //                                                                             Control
    //                                                                             =======
    @Override
    public RequestHeaderDbm asDBMeta() {
        return RequestHeaderDbm.getInstance();
    }

    @Override

import jakarta.servlet.http.HttpServletRequest;

/**
 * Abstract base class for Fess API actions that provides common functionality
 * for API endpoints including authentication, message handling, and access control.
 *
 * This class extends FessBaseAction and provides specialized behavior for API requests,
 * including token-based authentication and JSON response handling.
 */
public abstract class FessApiAction extends FessBaseAction {

    protected HpSpecification _specification;

    // ===================================================================================
    //                                                                             Control
    //                                                                             =======
    @Override
    public ScheduledJobDbm asDBMeta() {
        return ScheduledJobDbm.getInstance();
    }

    @Override

    protected HpSpecification _specification;

    // ===================================================================================
    //                                                                             Control
    //                                                                             =======
    @Override
    public WebAuthenticationDbm asDBMeta() {
        return WebAuthenticationDbm.getInstance();
    }

                                        <la:errors property="input"/>
                                        <la:text styleId="input" property="input"
                                                 styleClass="form-control"/>
                                    </div>
                                </div>
                            </div>
                            <div class="card-footer">