diff --git a/bridge/opencensus/exporter.go b/bridge/opencensus/exporter.go
index 7e7e79600071..84aa499a60f7 100644
--- a/bridge/opencensus/exporter.go
+++ b/bridge/opencensus/exporter.go
@@ -64,8 +64,8 @@ type censusLibraryReader struct {
 	metrics []*metricdata.Metric
 }
 
-func (r censusLibraryReader) ForEach(readerFunc func(instrumentation.Library, export.Reader) error) error {
-	return readerFunc(instrumentation.Library{
+func (r censusLibraryReader) ForEach(readerFunc func(instrumentation.Scope, export.Reader) error) error {
+	return readerFunc(instrumentation.Scope{
 		Name: "OpenCensus Bridge",
 	}, &metricReader{metrics: r.metrics})
 }
diff --git a/bridge/opencensus/exporter_test.go b/bridge/opencensus/exporter_test.go
index 2634f5334d5f..c1ea8c954003 100644
--- a/bridge/opencensus/exporter_test.go
+++ b/bridge/opencensus/exporter_test.go
@@ -47,7 +47,7 @@ type fakeExporter struct {
 
 func (f *fakeExporter) Export(ctx context.Context, res *resource.Resource, ilr export.InstrumentationLibraryReader) error {
 	return controllertest.ReadAll(ilr, aggregation.StatelessTemporalitySelector(),
-		func(_ instrumentation.Library, record export.Record) error {
+		func(_ instrumentation.Scope, record export.Record) error {
 			f.resource = res
 			f.records = append(f.records, record)
 			return f.err
diff --git a/exporters/jaeger/jaeger_benchmark_test.go b/exporters/jaeger/jaeger_benchmark_test.go
index ab96ac8c9edb..2b0e54c90d67 100644
--- a/exporters/jaeger/jaeger_benchmark_test.go
+++ b/exporters/jaeger/jaeger_benchmark_test.go
@@ -61,7 +61,7 @@ func spans(n int) []tracesdk.ReadOnlySpan {
 			StartTime:   now,
 			EndTime:     now,
 			SpanKind:    trace.SpanKindClient,
-			InstrumentationLibrary: instrumentation.Library{
+			InstrumentationLibrary: instrumentation.Scope{
 				Name: instrLibName,
 			},
 		}
diff --git a/exporters/jaeger/jaeger_test.go b/exporters/jaeger/jaeger_test.go
index ffc8fe9c3b20..dac2b12a0429 100644
--- a/exporters/jaeger/jaeger_test.go
+++ b/exporters/jaeger/jaeger_test.go
@@ -187,7 +187,7 @@ func TestSpanSnapshotToThrift(t *testing.T) {
 				EndTime:   now,
 				Status:    sdktrace.Status{Code: codes.Error},
 				SpanKind:  trace.SpanKindClient,
-				InstrumentationLibrary: instrumentation.Library{
+				InstrumentationLibrary: instrumentation.Scope{
 					Name:    instrLibName,
 					Version: instrLibVersion,
 				},
@@ -245,7 +245,7 @@ func TestSpanSnapshotToThrift(t *testing.T) {
 					Description: statusMessage,
 				},
 				SpanKind: trace.SpanKindClient,
-				InstrumentationLibrary: instrumentation.Library{
+				InstrumentationLibrary: instrumentation.Scope{
 					Name:    instrLibName,
 					Version: instrLibVersion,
 				},
@@ -330,7 +330,7 @@ func TestSpanSnapshotToThrift(t *testing.T) {
 					Description: statusMessage,
 				},
 				SpanKind: trace.SpanKindInternal,
-				InstrumentationLibrary: instrumentation.Library{
+				InstrumentationLibrary: instrumentation.Scope{
 					Name:    instrLibName,
 					Version: instrLibVersion,
 				},
@@ -383,7 +383,7 @@ func TestSpanSnapshotToThrift(t *testing.T) {
 					Description: statusMessage,
 				},
 				SpanKind: trace.SpanKindInternal,
-				InstrumentationLibrary: instrumentation.Library{
+				InstrumentationLibrary: instrumentation.Scope{
 					Name:    instrLibName,
 					Version: instrLibVersion,
 				},
diff --git a/exporters/otlp/otlpmetric/exporter_test.go b/exporters/otlp/otlpmetric/exporter_test.go
index d5208fc26d6f..f4fe7774e9a7 100644
--- a/exporters/otlp/otlpmetric/exporter_test.go
+++ b/exporters/otlp/otlpmetric/exporter_test.go
@@ -728,7 +728,7 @@ func TestStatelessAggregationTemporality(t *testing.T) {
 func runMetricExportTests(t *testing.T, opts []otlpmetric.Option, res *resource.Resource, records []testRecord, expected []*metricpb.ResourceMetrics) {
 	exp, driver := newExporter(t, opts...)
 
-	libraryRecs := map[instrumentation.Library][]export.Record{}
+	libraryRecs := map[instrumentation.Scope][]export.Record{}
 	for _, r := range records {
 		lcopy := make([]attribute.KeyValue, len(r.attrs))
 		copy(lcopy, r.attrs)
@@ -771,7 +771,7 @@ func runMetricExportTests(t *testing.T, opts []otlpmetric.Option, res *resource.
 		require.NoError(t, agg.SynchronizedMove(ckpt, &desc))
 
 		meterCfg := metric.NewMeterConfig(r.meterOpts...)
-		lib := instrumentation.Library{
+		lib := instrumentation.Scope{
 			Name:      r.meterName,
 			Version:   meterCfg.InstrumentationVersion(),
 			SchemaURL: meterCfg.SchemaURL(),
@@ -838,7 +838,7 @@ func TestEmptyMetricExport(t *testing.T) {
 		},
 	} {
 		driver.Reset()
-		require.NoError(t, exp.Export(context.Background(), resource.Empty(), processortest.MultiInstrumentationLibraryReader(map[instrumentation.Library][]export.Record{
+		require.NoError(t, exp.Export(context.Background(), resource.Empty(), processortest.MultiInstrumentationLibraryReader(map[instrumentation.Scope][]export.Record{
 			{
 				Name: testLibName,
 			}: test.records,
diff --git a/exporters/otlp/otlpmetric/internal/metrictransform/metric.go b/exporters/otlp/otlpmetric/internal/metrictransform/metric.go
index 2d7c9049905d..a189b85bdad9 100644
--- a/exporters/otlp/otlpmetric/internal/metrictransform/metric.go
+++ b/exporters/otlp/otlpmetric/internal/metrictransform/metric.go
@@ -74,7 +74,7 @@ func toNanos(t time.Time) uint64 {
 func InstrumentationLibraryReader(ctx context.Context, temporalitySelector aggregation.TemporalitySelector, res *resource.Resource, ilmr export.InstrumentationLibraryReader, numWorkers uint) (*metricpb.ResourceMetrics, error) {
 	var sms []*metricpb.ScopeMetrics
 
-	err := ilmr.ForEach(func(lib instrumentation.Library, mr export.Reader) error {
+	err := ilmr.ForEach(func(lib instrumentation.Scope, mr export.Reader) error {
 		records, errc := source(ctx, temporalitySelector, mr)
 
 		// Start a fixed number of goroutines to transform records.
diff --git a/exporters/otlp/otlpmetric/internal/otlpmetrictest/data.go b/exporters/otlp/otlpmetric/internal/otlpmetrictest/data.go
index d8d9c03a31e1..825a31d91897 100644
--- a/exporters/otlp/otlpmetric/internal/otlpmetrictest/data.go
+++ b/exporters/otlp/otlpmetric/internal/otlpmetrictest/data.go
@@ -48,7 +48,7 @@ func OneRecordReader() export.InstrumentationLibraryReader {
 	rec := export.NewRecord(&desc, &attrs, agg[0].Aggregation(), start, end)
 
 	return processortest.MultiInstrumentationLibraryReader(
-		map[instrumentation.Library][]export.Record{
+		map[instrumentation.Scope][]export.Record{
 			{
 				Name: "onelib",
 			}: {rec},
@@ -66,6 +66,6 @@ type FailReader struct{}
 var _ export.InstrumentationLibraryReader = FailReader{}
 
 // ForEach implements export.Reader. It always fails.
-func (FailReader) ForEach(readerFunc func(instrumentation.Library, export.Reader) error) error {
+func (FailReader) ForEach(readerFunc func(instrumentation.Scope, export.Reader) error) error {
 	return fmt.Errorf("fail")
 }
diff --git a/exporters/otlp/otlptrace/internal/otlptracetest/data.go b/exporters/otlp/otlptrace/internal/otlptracetest/data.go
index d039105cb294..4e51f317c84a 100644
--- a/exporters/otlp/otlptrace/internal/otlptracetest/data.go
+++ b/exporters/otlp/otlptrace/internal/otlptracetest/data.go
@@ -54,7 +54,7 @@ func SingleReadOnlySpan() []tracesdk.ReadOnlySpan {
 			DroppedLinks:      0,
 			ChildSpanCount:    0,
 			Resource:          resource.NewSchemaless(attribute.String("a", "b")),
-			InstrumentationLibrary: instrumentation.Library{
+			InstrumentationLibrary: instrumentation.Scope{
 				Name:    "bar",
 				Version: "0.0.0",
 			},
diff --git a/exporters/prometheus/prometheus.go b/exporters/prometheus/prometheus.go
index fb544d004fb6..c7aa16d12577 100644
--- a/exporters/prometheus/prometheus.go
+++ b/exporters/prometheus/prometheus.go
@@ -151,7 +151,7 @@ func (c *collector) Describe(ch chan<- *prometheus.Desc) {
 	c.exp.lock.RLock()
 	defer c.exp.lock.RUnlock()
 
-	_ = c.exp.Controller().ForEach(func(_ instrumentation.Library, reader export.Reader) error {
+	_ = c.exp.Controller().ForEach(func(_ instrumentation.Scope, reader export.Reader) error {
 		return reader.ForEach(c.exp, func(record export.Record) error {
 			var attrKeys []string
 			mergeAttrs(record, c.exp.controller.Resource(), &attrKeys, nil)
@@ -174,7 +174,7 @@ func (c *collector) Collect(ch chan<- prometheus.Metric) {
 		otel.Handle(err)
 	}
 
-	err := ctrl.ForEach(func(_ instrumentation.Library, reader export.Reader) error {
+	err := ctrl.ForEach(func(_ instrumentation.Scope, reader export.Reader) error {
 		return reader.ForEach(c.exp, func(record export.Record) error {
 			agg := record.Aggregation()
 			numberKind := record.Descriptor().NumberKind()
diff --git a/exporters/stdout/stdoutmetric/metric.go b/exporters/stdout/stdoutmetric/metric.go
index 38289d281a7a..0bdee8e90931 100644
--- a/exporters/stdout/stdoutmetric/metric.go
+++ b/exporters/stdout/stdoutmetric/metric.go
@@ -52,7 +52,7 @@ func (e *metricExporter) TemporalityFor(desc *sdkapi.Descriptor, kind aggregatio
 func (e *metricExporter) Export(_ context.Context, res *resource.Resource, reader export.InstrumentationLibraryReader) error {
 	var aggError error
 	var batch []line
-	aggError = reader.ForEach(func(lib instrumentation.Library, mr export.Reader) error {
+	aggError = reader.ForEach(func(lib instrumentation.Scope, mr export.Reader) error {
 		var instAttrs []attribute.KeyValue
 		if name := lib.Name; name != "" {
 			instAttrs = append(instAttrs, attribute.String("instrumentation.name", name))
diff --git a/exporters/zipkin/model_test.go b/exporters/zipkin/model_test.go
index 454d18c495be..b5cca12742c2 100644
--- a/exporters/zipkin/model_test.go
+++ b/exporters/zipkin/model_test.go
@@ -829,7 +829,7 @@ func TestTagsTransformation(t *testing.T) {
 		{
 			name: "instrLib-empty",
 			data: tracetest.SpanStub{
-				InstrumentationLibrary: instrumentation.Library{},
+				InstrumentationLibrary: instrumentation.Scope{},
 			},
 			want: nil,
 		},
@@ -837,7 +837,7 @@ func TestTagsTransformation(t *testing.T) {
 			name: "instrLib-noversion",
 			data: tracetest.SpanStub{
 				Attributes: []attribute.KeyValue{},
-				InstrumentationLibrary: instrumentation.Library{
+				InstrumentationLibrary: instrumentation.Scope{
 					Name: instrLibName,
 				},
 			},
@@ -849,7 +849,7 @@ func TestTagsTransformation(t *testing.T) {
 			name: "instrLib-with-version",
 			data: tracetest.SpanStub{
 				Attributes: []attribute.KeyValue{},
-				InstrumentationLibrary: instrumentation.Library{
+				InstrumentationLibrary: instrumentation.Scope{
 					Name:    instrLibName,
 					Version: instrLibVersion,
 				},
diff --git a/sdk/metric/controller/basic/controller.go b/sdk/metric/controller/basic/controller.go
index 2107b16cb3c4..8f4cf505aa7a 100644
--- a/sdk/metric/controller/basic/controller.go
+++ b/sdk/metric/controller/basic/controller.go
@@ -46,12 +46,12 @@ var ErrControllerStarted = fmt.Errorf("controller already started")
 // both "pull" and "push" configurations.  This supports two distinct
 // modes:
 //
-// - Push and Pull: Start() must be called to begin calling the exporter;
-//   Collect() is called periodically by a background thread after starting
-//   the controller.
-// - Pull-Only: Start() is optional in this case, to call Collect periodically.
-//   If Start() is not called, Collect() can be called manually to initiate
-//   collection
+//   - Push and Pull: Start() must be called to begin calling the exporter;
+//     Collect() is called periodically by a background thread after starting
+//     the controller.
+//   - Pull-Only: Start() is optional in this case, to call Collect periodically.
+//     If Start() is not called, Collect() can be called manually to initiate
+//     collection
 //
 // The controller supports mixing push and pull access to metric data
 // using the export.Reader RWLock interface.  Collection will
@@ -323,7 +323,7 @@ func (c *Controller) export(ctx context.Context) error { // nolint:revive  // me
 }
 
 // ForEach implements export.InstrumentationLibraryReader.
-func (c *Controller) ForEach(readerFunc func(l instrumentation.Library, r export.Reader) error) error {
+func (c *Controller) ForEach(readerFunc func(l instrumentation.Scope, r export.Reader) error) error {
 	for _, acPair := range c.accumulatorList() {
 		reader := acPair.checkpointer.Reader()
 		// TODO: We should not fail fast; instead accumulate errors.
diff --git a/sdk/metric/controller/controllertest/test.go b/sdk/metric/controller/controllertest/test.go
index 9c1a34219726..045159f39c2d 100644
--- a/sdk/metric/controller/controllertest/test.go
+++ b/sdk/metric/controller/controllertest/test.go
@@ -75,9 +75,9 @@ func (t MockTicker) C() <-chan time.Time {
 func ReadAll(
 	reader export.InstrumentationLibraryReader,
 	kind aggregation.TemporalitySelector,
-	apply func(instrumentation.Library, export.Record) error,
+	apply func(instrumentation.Scope, export.Record) error,
 ) error {
-	return reader.ForEach(func(library instrumentation.Library, reader export.Reader) error {
+	return reader.ForEach(func(library instrumentation.Scope, reader export.Reader) error {
 		return reader.ForEach(kind, func(record export.Record) error {
 			return apply(library, record)
 		})
diff --git a/sdk/metric/export/metric.go b/sdk/metric/export/metric.go
index 6168ca445ba5..e2cf1bf57af5 100644
--- a/sdk/metric/export/metric.go
+++ b/sdk/metric/export/metric.go
@@ -155,7 +155,7 @@ type InstrumentationLibraryReader interface {
 	// ForEach calls the passed function once per instrumentation library,
 	// allowing the caller to emit metrics grouped by the library that
 	// produced them.
-	ForEach(readerFunc func(instrumentation.Library, Reader) error) error
+	ForEach(readerFunc func(instrumentation.Scope, Reader) error) error
 }
 
 // Reader allows a controller to access a complete checkpoint of
diff --git a/sdk/metric/metrictest/exporter.go b/sdk/metric/metrictest/exporter.go
index c0926dd7cf68..f984fc7c79a5 100644
--- a/sdk/metric/metrictest/exporter.go
+++ b/sdk/metric/metrictest/exporter.go
@@ -98,7 +98,7 @@ func (e *Exporter) Collect(ctx context.Context) error {
 		return err
 	}
 
-	return e.controller.ForEach(func(l instrumentation.Library, r export.Reader) error {
+	return e.controller.ForEach(func(l instrumentation.Scope, r export.Reader) error {
 		lib := Library{
 			InstrumentationName:    l.Name,
 			InstrumentationVersion: l.Version,
diff --git a/sdk/metric/processor/basic/basic_test.go b/sdk/metric/processor/basic/basic_test.go
index 21d816b44a02..43d06109c250 100644
--- a/sdk/metric/processor/basic/basic_test.go
+++ b/sdk/metric/processor/basic/basic_test.go
@@ -471,7 +471,7 @@ func TestCounterObserverEndToEnd(t *testing.T) {
 
 		exporter := processortest.New(eselector, attribute.DefaultEncoder())
 		require.NoError(t, exporter.Export(ctx, resource.Empty(), processortest.OneInstrumentationLibraryReader(
-			instrumentation.Library{
+			instrumentation.Scope{
 				Name: "test",
 			}, reader)))
 
diff --git a/sdk/metric/processor/processortest/test.go b/sdk/metric/processor/processortest/test.go
index fa0e902d2558..c84295aad644 100644
--- a/sdk/metric/processor/processortest/test.go
+++ b/sdk/metric/processor/processortest/test.go
@@ -118,9 +118,9 @@ func (f testFactory) NewCheckpointer() export.Checkpointer {
 // NewProcessor returns a new testing Processor implementation.
 // Verify expected outputs using Values(), e.g.:
 //
-//     require.EqualValues(t, map[string]float64{
-//         "counter.sum/A=1,B=2/R=V": 100,
-//     }, processor.Values())
+//	require.EqualValues(t, map[string]float64{
+//	    "counter.sum/A=1,B=2/R=V": 100,
+//	}, processor.Values())
 //
 // Where in the example A=1,B=2 is the encoded attributes and R=V is the
 // encoded resource value.
@@ -243,7 +243,7 @@ func (o *Output) AddRecord(rec export.Record) error {
 }
 
 // AddRecordWithResource merges rec into this Output.
-func (o *Output) AddInstrumentationLibraryRecord(_ instrumentation.Library, rec export.Record) error {
+func (o *Output) AddInstrumentationLibraryRecord(_ instrumentation.Scope, rec export.Record) error {
 	return o.AddRecordWithResource(rec, resource.Empty())
 }
 
@@ -322,9 +322,9 @@ func (o *Output) AddAccumulation(acc export.Accumulation) error {
 // New returns a new testing Exporter implementation.
 // Verify exporter outputs using Values(), e.g.,:
 //
-//     require.EqualValues(t, map[string]float64{
-//         "counter.sum/A=1,B=2/R=V": 100,
-//     }, exporter.Values())
+//	require.EqualValues(t, map[string]float64{
+//	    "counter.sum/A=1,B=2/R=V": 100,
+//	}, exporter.Values())
 //
 // Where in the example A=1,B=2 is the encoded attributes and R=V is the
 // encoded resource value.
@@ -340,7 +340,7 @@ func (e *Exporter) Export(_ context.Context, res *resource.Resource, ckpt export
 	e.output.Lock()
 	defer e.output.Unlock()
 	e.exportCount++
-	return ckpt.ForEach(func(library instrumentation.Library, mr export.Reader) error {
+	return ckpt.ForEach(func(library instrumentation.Scope, mr export.Reader) error {
 		return mr.ForEach(e.TemporalitySelector, func(r export.Record) error {
 			if e.InjectErr != nil {
 				if err := e.InjectErr(r); err != nil {
@@ -381,32 +381,32 @@ func (e *Exporter) Reset() {
 
 // OneInstrumentationLibraryReader returns an InstrumentationLibraryReader for
 // a single instrumentation library.
-func OneInstrumentationLibraryReader(l instrumentation.Library, r export.Reader) export.InstrumentationLibraryReader {
+func OneInstrumentationLibraryReader(l instrumentation.Scope, r export.Reader) export.InstrumentationLibraryReader {
 	return oneLibraryReader{l, r}
 }
 
 type oneLibraryReader struct {
-	library instrumentation.Library
+	library instrumentation.Scope
 	reader  export.Reader
 }
 
-func (o oneLibraryReader) ForEach(readerFunc func(instrumentation.Library, export.Reader) error) error {
+func (o oneLibraryReader) ForEach(readerFunc func(instrumentation.Scope, export.Reader) error) error {
 	return readerFunc(o.library, o.reader)
 }
 
 // MultiInstrumentationLibraryReader returns an InstrumentationLibraryReader
 // for a group of records that came from multiple instrumentation libraries.
-func MultiInstrumentationLibraryReader(records map[instrumentation.Library][]export.Record) export.InstrumentationLibraryReader {
+func MultiInstrumentationLibraryReader(records map[instrumentation.Scope][]export.Record) export.InstrumentationLibraryReader {
 	return instrumentationLibraryReader{records: records}
 }
 
 type instrumentationLibraryReader struct {
-	records map[instrumentation.Library][]export.Record
+	records map[instrumentation.Scope][]export.Record
 }
 
 var _ export.InstrumentationLibraryReader = instrumentationLibraryReader{}
 
-func (m instrumentationLibraryReader) ForEach(fn func(instrumentation.Library, export.Reader) error) error {
+func (m instrumentationLibraryReader) ForEach(fn func(instrumentation.Scope, export.Reader) error) error {
 	for library, records := range m.records {
 		if err := fn(library, &metricReader{records: records}); err != nil {
 			return err
diff --git a/sdk/metric/processor/processortest/test_test.go b/sdk/metric/processor/processortest/test_test.go
index 98c15f2f763a..2ca854edb7ac 100644
--- a/sdk/metric/processor/processortest/test_test.go
+++ b/sdk/metric/processor/processortest/test_test.go
@@ -80,7 +80,7 @@ func TestProcessorTesting(t *testing.T) {
 	)
 
 	err := exporter.Export(context.Background(), res, processortest.OneInstrumentationLibraryReader(
-		instrumentation.Library{
+		instrumentation.Scope{
 			Name: "test",
 		},
 		checkpointer.Reader(),
diff --git a/sdk/metric/processor/reducer/reducer_test.go b/sdk/metric/processor/reducer/reducer_test.go
index 12fbb7f86e03..197cafe516f7 100644
--- a/sdk/metric/processor/reducer/reducer_test.go
+++ b/sdk/metric/processor/reducer/reducer_test.go
@@ -106,7 +106,7 @@ func TestFilterBasicProcessor(t *testing.T) {
 	}
 
 	res := resource.NewSchemaless(attribute.String("R", "V"))
-	require.NoError(t, exporter.Export(context.Background(), res, processortest.OneInstrumentationLibraryReader(instrumentation.Library{
+	require.NoError(t, exporter.Export(context.Background(), res, processortest.OneInstrumentationLibraryReader(instrumentation.Scope{
 		Name: "test",
 	}, basicProc.Reader())))
 
diff --git a/sdk/trace/snapshot.go b/sdk/trace/snapshot.go
index 0349b2f198e4..1f0cad6e2423 100644
--- a/sdk/trace/snapshot.go
+++ b/sdk/trace/snapshot.go
@@ -110,7 +110,7 @@ func (s snapshot) InstrumentationScope() instrumentation.Scope {
 
 // InstrumentationLibrary returns information about the instrumentation
 // library that created the span.
-func (s snapshot) InstrumentationLibrary() instrumentation.Library {
+func (s snapshot) InstrumentationLibrary() instrumentation.Scope {
 	return s.instrumentationScope
 }
 
diff --git a/sdk/trace/span.go b/sdk/trace/span.go
index 14d0aabfe695..80ba2553f5f1 100644
--- a/sdk/trace/span.go
+++ b/sdk/trace/span.go
@@ -69,7 +69,7 @@ type ReadOnlySpan interface {
 	// InstrumentationLibrary returns information about the instrumentation
 	// library that created the span.
 	// Deprecated: please use InstrumentationScope instead.
-	InstrumentationLibrary() instrumentation.Library
+	InstrumentationLibrary() instrumentation.Scope
 	// Resource returns information about the entity that produced the span.
 	Resource() *resource.Resource
 	// DroppedAttributes returns the number of attributes dropped by the span
@@ -596,9 +596,9 @@ func (s *recordingSpan) InstrumentationScope() instrumentation.Scope {
 	return s.tracer.instrumentationScope
 }
 
-// InstrumentationLibrary returns the instrumentation.Library associated with
+// InstrumentationLibrary returns the instrumentation.Scope associated with
 // the Tracer that created this span.
-func (s *recordingSpan) InstrumentationLibrary() instrumentation.Library {
+func (s *recordingSpan) InstrumentationLibrary() instrumentation.Scope {
 	s.mu.Lock()
 	defer s.mu.Unlock()
 	return s.tracer.instrumentationScope
diff --git a/sdk/trace/tracetest/span.go b/sdk/trace/tracetest/span.go
index bfe73de9c415..b785dfe7381d 100644
--- a/sdk/trace/tracetest/span.go
+++ b/sdk/trace/tracetest/span.go
@@ -71,7 +71,7 @@ type SpanStub struct {
 	DroppedLinks           int
 	ChildSpanCount         int
 	Resource               *resource.Resource
-	InstrumentationLibrary instrumentation.Library
+	InstrumentationLibrary instrumentation.Scope
 }
 
 // SpanStubFromReadOnlySpan returns a SpanStub populated from ro.
@@ -162,6 +162,6 @@ func (s spanSnapshot) Resource() *resource.Resource     { return s.resource }
 func (s spanSnapshot) InstrumentationScope() instrumentation.Scope {
 	return s.instrumentationScope
 }
-func (s spanSnapshot) InstrumentationLibrary() instrumentation.Library {
+func (s spanSnapshot) InstrumentationLibrary() instrumentation.Scope {
 	return s.instrumentationScope
 }