class LogbookOperationTraceabilityHelper implements LogbookTraceabilityHelper {

    byte[] extractTimestampToken(LogbookOperation logbookOperation) throws InvalidParseOperationException {
        TraceabilityEvent traceabilityEvent = extractEventDetData(logbookOperation);
        if (traceabilityEvent == null) {
            return null;
        }
        return traceabilityEvent.getTimeStampToken();
    }

    public  LogbookOperationTraceabilityHelper(LogbookOperations logbookOperations,
        GUID operationID, int temporizationDelayInSeconds);

}