import org.opensearch.search.rescore.RescorerBuilder;

/**
 * Learning to Rank query rescorer implementation.
 */
public class LtrQueryRescorer implements QueryRescorer {

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

    @Override
    public RescorerBuilder<?> evaluate(final Map<String, Object> params) {

import org.opensearch.search.rescore.RescorerBuilder;

public class LtrQueryRescorerTest extends UnitFessTestCase {

    private LtrQueryRescorer ltrQueryRescorer;

    @Override
    public void setUp() throws Exception {
        super.setUp();
        ltrQueryRescorer = new LtrQueryRescorer();
    }

    @Override
    public void tearDown() throws Exception {
        ComponentUtil.setFessConfig(null);