code: def report_and_send(self, timestamp):
      metric_reports = self.__metric_reporter.report(timestamp)
      self.__backend.send_hardware_metric_reports(
          self.experiment,
          self.metrics_container.metrics(),
          metric_reports,
      )
  
label_desc: Use image node_id 2 for calling the MetricService obj's underlying member method code with example usage: obj.report_and_send(timestamp) without return types