// Site
                visit(distributionManagement.getSite());
                // DownloadUrl
                org = distributionManagement.getDownloadUrl();
                val = interpolate(org);
                if (org != val) {
                    distributionManagement.setDownloadUrl(val);
                }
                // Relocation

	if err != nil {
		return
	}

	var older time.Duration
	var downloadURL string
	if lrTime.After(currentReleaseTime) {
		older = lrTime.Sub(currentReleaseTime)
		downloadURL = getDownloadURL(releaseTimeToReleaseTag(lrTime))
	}

	updateMsg := prepareUpdateMessage(downloadURL, older)
	if updateMsg == "" {
		return
	}

            DistributionManagement source,
            boolean sourceDominant,
            Map<Object, Object> context) {
        String src = source.getDownloadUrl();
        if (src != null) {
            if (sourceDominant || target.getDownloadUrl() == null) {
                target.setDownloadUrl(src);
                target.setLocation("downloadUrl", source.getLocation("downloadUrl"));
            }
        }