@Override
        public String prefix() {
            return "dropwizard";
        }
Provides the convenient factory methods for {@link DropwizardMeterRegistry} with more sensible defaults for
{@link NamingConvention} and {@link HierarchicalNameMapper}.
core/src/main/java/com/linecorp/armeria/common/metric/DropwizardMeterRegistries.java