google.golang.org/grpc/experimental/stats.UnimplementedMetricsRecorder.RecordFloat64Histo (method, view implemented interface methods)

one use

	google.golang.org/grpc/experimental/stats (current package)
		metrics.go#L135: func (UnimplementedMetricsRecorder) RecordFloat64Histo(*Float64HistoHandle, float64, ...string) {}