NoopMeterRegistry extends MeterRegistry { @Override protected DistributionStatisticConfig defaultHistogramConfig() { return DistributionStatisticConfig.NONE; } NoopMeterRegistry(); private  NoopMeterRegistry(Clock clock);   }
@Test public void defaultHistogramConfig_returnsNone() { DistributionStatisticConfig result = noopMeterRegistry.defaultHistogramConfig(); assertThat(result) .isEqualTo(DistributionStatisticConfig.NONE); }