in exporters/metrics/src/main/java/com/google/cloud/opentelemetry/metric/MetricTranslator.java [110:122]
static boolean isGauge(MetricData metric) {
switch (metric.getType()) {
case LONG_GAUGE:
case DOUBLE_GAUGE:
return true;
case LONG_SUM:
return !metric.getLongSumData().isMonotonic();
case DOUBLE_SUM:
return !metric.getDoubleSumData().isMonotonic();
default:
return false;
}
}