1 files changed, 0 insertions, 77 deletions
diff --git a/vendor/go.opentelemetry.io/otel/sdk/metric/exemplar.go b/vendor/go.opentelemetry.io/otel/sdk/metric/exemplar.go
deleted file mode 100644
index 0335b8ae4..000000000
--- a/vendor/go.opentelemetry.io/otel/sdk/metric/exemplar.go
+++ /dev/null
@@ -1,77 +0,0 @@
-// Copyright The OpenTelemetry Authors
-// SPDX-License-Identifier: Apache-2.0
-
-package metric // import "go.opentelemetry.io/otel/sdk/metric"
-
-import (
-	"runtime"
-
-	"go.opentelemetry.io/otel/attribute"
-	"go.opentelemetry.io/otel/sdk/metric/exemplar"
-	"go.opentelemetry.io/otel/sdk/metric/internal/aggregate"
-)
-
-// ExemplarReservoirProviderSelector selects the
-// [exemplar.ReservoirProvider] to use
-// based on the [Aggregation] of the metric.
-type ExemplarReservoirProviderSelector func(Aggregation) exemplar.ReservoirProvider
-
-// reservoirFunc returns the appropriately configured exemplar reservoir
-// creation func based on the passed InstrumentKind and filter configuration.
-func reservoirFunc[N int64 | float64](provider exemplar.ReservoirProvider, filter exemplar.Filter) func(attribute.Set) aggregate.FilteredExemplarReservoir[N] {
-	return func(attrs attribute.Set) aggregate.FilteredExemplarReservoir[N] {
-		return aggregate.NewFilteredExemplarReservoir[N](filter, provider(attrs))
-	}
-}
-
-// DefaultExemplarReservoirProviderSelector returns the default
-// [exemplar.ReservoirProvider] for the
-// provided [Aggregation].
-//
-// For explicit bucket histograms with more than 1 bucket, it uses the
-// [exemplar.HistogramReservoirProvider].
-// For exponential histograms, it uses the
-// [exemplar.FixedSizeReservoirProvider]
-// with a size of min(20, max_buckets).
-// For all other aggregations, it uses the
-// [exemplar.FixedSizeReservoirProvider]
-// with a size equal to the number of CPUs.
-//
-// Exemplar default reservoirs MAY change in a minor version bump. No
-// guarantees are made on the shape or statistical properties of returned
-// exemplars.
-func DefaultExemplarReservoirProviderSelector(agg Aggregation) exemplar.ReservoirProvider {
-	// https://github.com/open-telemetry/opentelemetry-specification/blob/d4b241f451674e8f611bb589477680341006ad2b/specification/metrics/sdk.md#exemplar-defaults
-	// Explicit bucket histogram aggregation with more than 1 bucket will
-	// use AlignedHistogramBucketExemplarReservoir.
-	a, ok := agg.(AggregationExplicitBucketHistogram)
-	if ok && len(a.Boundaries) > 0 {
-		return exemplar.HistogramReservoirProvider(a.Boundaries)
-	}
-
-	var n int
-	if a, ok := agg.(AggregationBase2ExponentialHistogram); ok {
-		// Base2 Exponential Histogram Aggregation SHOULD use a
-		// SimpleFixedSizeExemplarReservoir with a reservoir equal to the
-		// smaller of the maximum number of buckets configured on the
-		// aggregation or twenty (e.g. min(20, max_buckets)).
-		n = int(a.MaxSize)
-		if n > 20 {
-			n = 20
-		}
-	} else {
-		// https://github.com/open-telemetry/opentelemetry-specification/blob/e94af89e3d0c01de30127a0f423e912f6cda7bed/specification/metrics/sdk.md#simplefixedsizeexemplarreservoir
-		//   This Exemplar reservoir MAY take a configuration parameter for
-		//   the size of the reservoir. If no size configuration is
-		//   provided, the default size MAY be the number of possible
-		//   concurrent threads (e.g. number of CPUs) to help reduce
-		//   contention. Otherwise, a default size of 1 SHOULD be used.
-		n = runtime.NumCPU()
-		if n < 1 {
-			// Should never be the case, but be defensive.
-			n = 1
-		}
-	}
-
-	return exemplar.FixedSizeReservoirProvider(n)
-}