code: def __metric_value_for_gauge(self, gauge, timestamp):
      value = gauge.value()
      return (
          MetricValue(
              timestamp=timestamp,
              running_time=timestamp - self.__reference_timestamp,
              gauge_name=gauge.name(),
              value=value,
          )
          if value
          else None
      )
  
imports: from neptune.common.hardware.metrics.reports.metric_report import MetricReport, MetricValue
label_desc: Use image node_id 3 for calling the MetricReporter obj's underlying member method code with example usage: obj.__metric_value_for_gauge(gauge, timestamp) and returns: unknown