@Override
    public Optional<PlcValue> parseTagValue(PlcTag tag, Object... values) {
        PlcValue plcValue;
        try {
            plcValue = valueHandler.newPlcValue(tag, values);
        } catch (Exception e) {
            throw new PlcRuntimeException("Error parsing tag value " + tag, e);
        }
        return Optional.of(plcValue);
    }
No need to do the whole innerUnsubscribe thing here, as the request only contains handles
returned by the previous subscription request. So we've already filtered out the invalid
tags.
@param unsubscriptionRequest unsubscription request containing at least one unsubscription request item.
@return future for the response.
plc4j/spi/src/main/java/org/apache/plc4x/java/spi/connection/AbstractPlcConnection.java