@Test
    void mergeSnapshotWithEmptyList() throws Exception {
        Snapshot snapshot = new Snapshot();
        snapshot.setBuildNumber(3);
        snapshot.setTimestamp("20200710.072412");
        target.getVersioning().setSnapshot(snapshot);
        target.getVersioning().setLastUpdated("20200921071745");
        SnapshotVersion sv = new SnapshotVersion();

	if s, ok := v.ToString(); ok {
		t, err := parseSQLTimestamp(s)
		if err != nil {
			return err
		}
		v.setTimestamp(t)
	} else if b, ok := v.ToBytes(); ok {
		s := string(b)
		t, err := parseSQLTimestamp(s)
		if err != nil {
			return err
		}
		v.setTimestamp(t)
	}
	return nil
}

// inferTypeAsString is used to convert untyped values to string - it

                    }

                    // overwrite
                    if ( s.getTimestamp() == null ? snapshot.getTimestamp() != null
                        : !s.getTimestamp().equals( snapshot.getTimestamp() ) )
                    {
                        s.setTimestamp( snapshot.getTimestamp() );
                        changed = true;
                        updateSnapshotVersions = true;

    }

    public float getUserBoost() {
        return userBoost;
    }

    public ZonedDateTime getTimestamp() {
        return timestamp;
    }

    public void setText(final String text) {
        this.text = text;
    }

    public void setTimestamp(final ZonedDateTime timestamp) {
        this.timestamp = timestamp;
    }

    public void setQueryFreq(final long queryFreq) {

                Matcher matcher = Artifact.VERSION_FILE_PATTERN.matcher(artifact.getVersion());
                if (matcher.matches()) {
                    Snapshot snapshot = new Snapshot();
                    snapshot.setTimestamp(matcher.group(2));
                    try {
                        snapshot.setBuildNumber(Integer.parseInt(matcher.group(3)));

        if (snapshot != null && versioning.getSnapshotVersions().isEmpty()) {
            String version = artifact.getVersion();
            if (snapshot.getTimestamp() != null && snapshot.getBuildNumber() > 0) {
                String qualifier = snapshot.getTimestamp() + '-' + snapshot.getBuildNumber();
                version = version.substring(0, version.length() - SNAPSHOT.length()) + qualifier;
            }

        secondLine.put("tags", item.getTags());
        secondLine.put("roles", item.getRoles());
        secondLine.put("kinds", Arrays.toString(item.getKinds()));
        secondLine.put("@timestamp", item.getTimestamp());

        try (OutputStream out1 = getXContentOutputStream(firstLineMap); OutputStream out2 = getXContentOutputStream(secondLine)) {
            return ((ByteArrayOutputStream) out1).toString(CoreLibConstants.UTF_8) + '\n'

        }

        if (file.isFile()) {
            responseData.setHttpStatusCode(Constants.OK_STATUS_CODE);
            responseData.setCharSet(Constants.UTF_8);
            responseData.setLastModified(file.getTimestamp().getTime());

            // check file size
            responseData.setContentLength(file.getSize());
            checkMaxContentLength(responseData);

            if (file.getUser() != null) {

            long ts = ( System.currentTimeMillis() + SmbConstants.MILLISECONDS_BETWEEN_1970_AND_1601 ) * 10000;
            if ( haveTimestamp ) {
                ts = ( (AvTimestamp) AvPairs.get(avPairs, AvPair.MsvAvTimestamp) ).getTimestamp();
            }

            setNTResponse(
                getNTLMv2Response(tc, type2, responseKeyNT, ntlmClientChallenge, makeAvPairs(tc, targetName, avPairs, haveTimestamp, ts), ts));