Move to using Instrumentation Scope (#2976)

* Move to using Instrumentation Scope

* Use type alias, not definition

* Add a changelog entry

CHANGELOG.md

@@ -11,6 +11,7 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 ### Changed
 
 - The `crosslink` make target has been updated to use the `go.opentelemetry.io/build-tools/crosslink` package. (#2886)
+- In the `go.opentelemetry.io/otel/sdk/instrumentation` package rename `Library` to `Scope` and alias `Library` as `Scope` (#2976)
 
 ### Removed
 

sdk/instrumentation/library.go

@@ -22,12 +22,4 @@ For more information see
 package instrumentation // import "go.opentelemetry.io/otel/sdk/instrumentation"
 
 // Library represents the instrumentation library.
-type Library struct {
-	// Name is the name of the instrumentation library. This should be the
-	// Go package name of that library.
-	Name string
-	// Version is the version of the instrumentation library.
-	Version string
-	// SchemaURL of the telemetry emitted by the library.
-	SchemaURL string
-}
+type Library = Scope

sdk/instrumentation/scope.go

@@ -0,0 +1,33 @@
+// Copyright The OpenTelemetry 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 instrumentation provides an instrumentation scope structure to be
+passed to both the OpenTelemetry Tracer and Meter components.
+
+For more information see
+[this](https://github.com/open-telemetry/oteps/blob/main/text/0083-component.md).
+*/
+package instrumentation // import "go.opentelemetry.io/otel/sdk/instrumentation"
+
+// Scope represents the instrumentation scope.
+type Scope struct {
+	// Name is the name of the instrumentation scope. This should be the
+	// Go package name of that scope.
+	Name string
+	// Version is the version of the instrumentation scope.
+	Version string
+	// SchemaURL of the telemetry emitted by the scope.
+	SchemaURL string
+}