in geronimo-metrics-common/src/main/java/org/apache/geronimo/microprofile/metrics/common/jaxrs/MetricsEndpoints.java [254:262]
private Object map(final Metric metric) {
if (Counter.class.isInstance(metric)) {
return Counter.class.cast(metric).getCount();
}
if (Gauge.class.isInstance(metric)) {
return Gauge.class.cast(metric).getValue();
}
return metric;
}