func google.golang.org/grpc/experimental/stats.RegisterInt64Gauge

one use

	google.golang.org/grpc/experimental/stats (current package)
		metricregistry.go#L244: func RegisterInt64Gauge(descriptor MetricDescriptor) *Int64GaugeHandle {

The pages are generated with Golds v0.7.6. (GOOS=linux GOARCH=amd64)