if err != nil {
		log.Fatalf("failed to create gauge: %v", err)
	}
	r.g = g
	r.baseMetric = baseMetric{
		name: o.name,
		rest: r,
	}
	return r
}

func (f *gauge) Record(value float64) {
	f.runRecordHook(value)
	// TODO: https://github.com/open-telemetry/opentelemetry-specification/issues/2318 use synchronous gauge so we don't need to deal with this
	f.attributeSetsMutex.Lock()