List<AvPair> pairs = new LinkedList<>();
        AvFlags flags1 = new AvFlags(0x11111111);
        AvFlags flags2 = new AvFlags(0x22222222);
        AvTimestamp timestamp = new AvTimestamp(new byte[8]);
        pairs.add(flags1);
        pairs.add(timestamp);
        pairs.add(flags2);

        assertEquals(3, pairs.size(), "Should start with 3 pairs");

        AvPairs.remove(pairs, AvPair.MsvAvFlags);

        if (System.currentTimeMillis() - lastChecked > reloadInterval) {
            lastChecked = System.currentTimeMillis();
            final long timestamp = reloadableFile.lastModified();
            if (timestamp != time) {
                synchronized (reloadableFile) {
                    if (timestamp != lastModified) {
                        createSynonymMap(true);
                        return true;
                    }
                }

        // Default constructor
    }

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

    /** Key used to store the begin timestamp in statistics objects. */
    private static final String BEGIN_KEY = "begin";

    /** Logger instance specifically for outputting crawler statistics. */
    protected Logger statsLogger = null;

    /**
     * Field name for URL.
     */
    protected static final String URL = "url";

    /**
     * Field name for last modified timestamp.
     */
    protected static final String LAST_MODIFIED = "lastModified";

    /**
     * Field name for creation time timestamp.
     */
    protected static final String CREATE_TIME = "createTime";

    /**
     * Document type.
     */

        final int flags;
        final long timestamp;

        MockRegistration(String registrationId, String shareName, String serverAddress, int flags) {
            this.registrationId = registrationId;
            this.shareName = shareName;
            this.serverAddress = serverAddress;
            this.flags = flags;
            this.timestamp = System.currentTimeMillis();
        }
    }

    /**

            "content": doc.get("content", ""),
            "mimetype": doc.get("mimetype", "text/html"),
            "filetype": doc.get("filetype", "html"),
            "created": doc.get("@timestamp", ""),
            "timestamp": doc.get("@timestamp", ""),
            # Add custom fields as needed
        }

        outfile.write(json.dumps(fess_doc) + '\n')
```

**Step 3: Import to Fess**

Option A: Via Admin UI

    public static final String AS_SITESEARCH = "sitesearch";

    /** The parameter for occurrence. */
    public static final String AS_OCCURRENCE = "occt";

    /** The parameter for timestamp. */
    public static final String AS_TIMESTAMP = "timestamp";

    /**
     * Returns the query.
     *
     * @return The query.
     */
    public abstract String getQuery();

    /**
     * Returns the fields.
     *

import static org.hamcrest.CoreMatchers.nullValue;
import static org.hamcrest.CoreMatchers.sameInstance;
import static org.junit.Assert.assertThat;

import java.sql.Time;
import java.sql.Timestamp;
import java.util.Date;

import org.codelibs.core.beans.converter.DateConverter;
import org.codelibs.core.beans.converter.NumberConverter;
import org.codelibs.core.exception.ConverterRuntimeException;

				if err != nil {
					err = msgp.WrapError(err, "Stats", za0001)
					return
				}
				z.Stats[za0001] = za0002
			}
		case "Timestamp":
			z.Timestamp, err = dc.ReadTime()
			if err != nil {
				err = msgp.WrapError(err, "Timestamp")
				return
			}
		default:
			err = dc.Skip()
			if err != nil {
				err = msgp.WrapError(err)
				return
			}
		}
	}

/**
 */
@Deprecated
public interface ModelInterpolator {
    String DEFAULT_BUILD_TIMESTAMP_FORMAT = "yyyyMMdd-HHmm";

    String BUILD_TIMESTAMP_FORMAT_PROPERTY = "maven.build.timestamp.format";

    String ROLE = ModelInterpolator.class.getName();

    /**
     * @deprecated Use {@link ModelInterpolator#interpolate(Model, File, ProjectBuilderConfiguration, boolean)} instead.
     */
    @Deprecated