Moved to google.golang.org/genproto/googleapis/api/annotations

Fixes #52

vendor/github.com/go-kit/kit/metrics/provider/expvar.go

@@ -0,0 +1,31 @@
+package provider
+
+import (
+	"github.com/go-kit/kit/metrics"
+	"github.com/go-kit/kit/metrics/expvar"
+)
+
+type expvarProvider struct{}
+
+// NewExpvarProvider returns a Provider that produces expvar metrics.
+func NewExpvarProvider() Provider {
+	return expvarProvider{}
+}
+
+// NewCounter implements Provider.
+func (p expvarProvider) NewCounter(name string) metrics.Counter {
+	return expvar.NewCounter(name)
+}
+
+// NewGauge implements Provider.
+func (p expvarProvider) NewGauge(name string) metrics.Gauge {
+	return expvar.NewGauge(name)
+}
+
+// NewHistogram implements Provider.
+func (p expvarProvider) NewHistogram(name string, buckets int) metrics.Histogram {
+	return expvar.NewHistogram(name, buckets)
+}
+
+// Stop implements Provider, but is a no-op.
+func (p expvarProvider) Stop() {}