public static PrometheusExpositionServiceBuilder builder(CollectorRegistry collectorRegistry) {
        return new PrometheusExpositionServiceBuilder(collectorRegistry);
    }
Returns a new {@link PrometheusExpositionServiceBuilder} created with the specified
{@link CollectorRegistry}.
core/src/main/java/com/linecorp/armeria/server/metric/PrometheusExpositionService.java