def METHOD_NAME(self, metrics_exporter):
    if not self.counters:
        self.log_error("Could not start metric exporters: no counters")
        return
    self.metrics_exporter = metrics_exporter
    if self.metrics_exporter:
        for name, label in self.counters:
            self.metrics_exporter.add_counter(name, [label])
        self.metrics_exporter.start()