}

	validLabels := desc.getLabelSet()
	labelMap := make(map[string]string, len(labels)/2)
	for i := 0; i < len(labels); i += 2 {
		if _, ok := validLabels[labels[i]]; !ok {
			panic(fmt.Sprintf("invalid label: %s (metric: %s)", labels[i], name))
		}
		labelMap[labels[i]] = labels[i+1]
	}

	if len(labels)/2 != len(validLabels) {
		panic("not all labels were given values")
	}

                        .forEach(allowedLabels::add);
            }
            final List<String> validLabels = new ArrayList<>();
            for (final String label : labels) {
                if (label != null && allowedLabels.contains(label)) {
                    validLabels.add(label);
                } else if (logger.isDebugEnabled()) {