if len(labels) == 0 {
		return nil
	}
	attrList := make([]*otlpcommon.KeyValue, 0, len(labels))
	// Sort keys to ensure stable XDS generation
	for _, key := range slices.Sort(maps.Keys(labels)) {
		value := labels[key]
		kv := &otlpcommon.KeyValue{
			Key:   key,