Initial QSfera import

Server/vendor/go.opencensus.io/stats/internal/record.go

@@ -0,0 +1,31 @@
+// Copyright 2018, OpenCensus Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package internal
+
+import (
+	"go.opencensus.io/tag"
+)
+
+// DefaultRecorder will be called for each Record call.
+var DefaultRecorder func(tags *tag.Map, measurement interface{}, attachments map[string]interface{})
+
+// MeasurementRecorder will be called for each Record call. This is the same as DefaultRecorder but
+// avoids interface{} conversion.
+// This will be a func(tags *tag.Map, measurement []Measurement, attachments map[string]interface{}) type,
+// but is interface{} here to avoid import loops
+var MeasurementRecorder interface{}
+
+// SubscriptionReporter reports when a view subscribed with a measure.
+var SubscriptionReporter func(measure string)