* OpenSearch queries with appropriate filters and scoring mechanisms.
 */
public class QueryHelper {

    /**
     * Default constructor.
     */
    public QueryHelper() {
        // Default constructor
    }

    /** Logger for this class */
    private static final Logger logger = LogManager.getLogger(QueryHelper.class);

	<component name="queryParser" class="org.codelibs.fess.query.parser.QueryParser">
	</component>
	<component name="facetInfo" class="org.codelibs.fess.entity.FacetInfo">
	</component>
	<component name="queryHelper" class="org.codelibs.fess.helper.QueryHelper">
		<property name="defaultFacetInfo">facetInfo</property>
		<postConstruct name="addQueryRescorer">
			<arg>
				<component class="org.codelibs.fess.score.LtrQueryRescorer" />
			</arg>

            final QueryHelper queryHelper = ComponentUtil.getQueryHelper();
            if (!roleSet.isEmpty()) {
                queryHelper.buildRoleQuery(roleSet, boolQuery);
            }
            builder.setQuery(boolQuery);
            builder.setFetchSource(fields, null);
            queryHelper.processSearchPreference(builder, userBean, docId);
            return true;

         *
         * @param queryHelper the query helper
         * @param queryFieldConfig the query field configuration
         * @param fessConfig the Fess configuration
         */
        protected void buildRescorer(final QueryHelper queryHelper, final QueryFieldConfig queryFieldConfig, final FessConfig fessConfig) {

    @Resource
    protected LabelTypeHelper labelTypeHelper;

    /** Helper for query processing and transformation. */
    @Resource
    protected QueryHelper queryHelper;

    /** Configuration for query field mappings and processing. */
    @Resource
    protected QueryFieldConfig queryFieldConfig;

    /** Helper for role-based query filtering and security. */
    @Resource

    /** Client for interacting with the search engine. */
    @Resource
    protected SearchEngineClient searchEngineClient;

    /** Helper for building and parsing search queries. */
    @Resource
    protected QueryHelper queryHelper;

    /** Helper for executing search operations. */
    @Resource
    protected SearchHelper searchHelper;

    /** HTTP servlet request for accessing request parameters. */
    @Resource

import org.codelibs.fess.helper.PluginHelper;
import org.codelibs.fess.helper.PopularWordHelper;
import org.codelibs.fess.helper.ProcessHelper;
import org.codelibs.fess.helper.ProtocolHelper;
import org.codelibs.fess.helper.QueryHelper;
import org.codelibs.fess.helper.RelatedContentHelper;
import org.codelibs.fess.helper.RelatedQueryHelper;
import org.codelibs.fess.helper.RoleQueryHelper;
import org.codelibs.fess.helper.SambaHelper;