VALUE_FIELD_NUMBER
Counter
Gauge
LabelPair
Quantile
Untyped
value
Counter
CounterLens
Gauge
GaugeLens
LabelPair
LabelPairLens
COUNTER
GAUGE
HISTOGRAM
SUMMARY
UNTYPED
Unrecognized
Quantile
QuantileLens
Untyped
UntypedLens
values
MetricType