How to use

io.pravega.shared.metrics.GaugeProxy

constructor

@Override
public <T extends Number> Gauge registerGauge(String name, Supplier<T> value) {
  return getOrSet(this.gauges, name,
      metricName -> this.statsLoggerRef.get().registerGauge(metricName, value),
      (metric, proxyName, c) -> new GaugeProxy(metric, proxyName, value, c));
}