public AbstractMetricCollectingBuilder distributionStatisticConfig(
            DistributionStatisticConfig distributionStatisticConfig) {
        this.distributionStatisticConfig = requireNonNull(distributionStatisticConfig,
                                                          "distributionStatisticConfig");
        return this;
    }
Defines a custom {@link DistributionStatisticConfig} to use for the distribution config.
core/src/main/java/com/linecorp/armeria/common/metric/AbstractMetricCollectingBuilder.java