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k3s/vendor/go.opencensus.io/metric/metricproducer/producer.go

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// Copyright 2019, OpenCensus Authors
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//
// 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.
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package metricproducer
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import (
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"go.opencensus.io/metric/metricdata"
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)
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// Producer is a source of metrics.
type Producer interface {
// Read should return the current values of all metrics supported by this
// metric provider.
// The returned metrics should be unique for each combination of name and
// resource.
Read() []*metricdata.Metric
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}