@Override
	public long getLastChangeTimeForMyManager() {
		SourceArchive archive = getSourceArchive(getUniversalID());
		if (archive != null) {
			return archive.getLastSyncTime();
		}
		return DataType.NO_LAST_CHANGE_TIME;
	}
Notification when data type settings have changed.
@param dt data type that is changed
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/data/DataTypeManagerDB.java