*/
public class IndexUpdateCallbackImpl implements IndexUpdateCallback {
    private static final Logger logger = LogManager.getLogger(IndexUpdateCallbackImpl.class);

    /**
     * Default constructor for index update callback implementation.
     * Creates a new instance with default values.
     */
    public IndexUpdateCallbackImpl() {
        // Default constructor
    }

import org.codelibs.fess.unit.UnitFessTestCase;
import org.codelibs.fess.util.ComponentUtil;
import org.codelibs.fess.util.DocList;

public class IndexUpdateCallbackImplTest extends UnitFessTestCase {

    private IndexUpdateCallbackImpl indexUpdateCallback;
    private TestSystemHelper systemHelper;
    private TestIndexingHelper indexingHelper;
    private TestCrawlingInfoHelper crawlingInfoHelper;
    private TestSearchLogHelper searchLogHelper;