* @deprecated in favour of {@link compareSnapshots(SnapshotComparisonPageRequest)}
*/
protected SnapshotDiffs compareSnapshots(String packageName,
String firstSnapshotName,
String secondSnapshotName) {
SnapshotDiffs diffs = new SnapshotDiffs();
List<SnapshotDiff> list = new ArrayList<SnapshotDiff>();
PackageItem leftPackage = getRulesRepository().loadPackageSnapshot( packageName,
firstSnapshotName );
PackageItem rightPackage = getRulesRepository().loadPackageSnapshot( packageName,