### Question:
CommonMetricsFilter implements MeterFilter { public void setPrefixes(String[] prefixes) { this.prefixes = prefixes; } CommonMetricsFilter(K8sMetricsProperties k8sMetricsProperties, MetricsProperties properties); MeterFilterReply accept(Meter.Id id); void enableMetric(String metricName); void disableMetric(String metricName); String[] getPrefixes(); void setPrefixes(String[] prefixes); boolean isActionEnabled();  }### Answer:
@Test public void setPrefixes() { }