diff --git a/internal/gengapic/doc_file_test.go b/internal/gengapic/doc_file_test.go
index f428f5c4816..18502d62c9d 100644
--- a/internal/gengapic/doc_file_test.go
+++ b/internal/gengapic/doc_file_test.go
@@ -19,55 +19,37 @@ import (
 	"testing"
 
 	"github.com/googleapis/gapic-generator-go/internal/pbinfo"
+	"github.com/googleapis/gapic-generator-go/internal/testing/sample"
 	"github.com/googleapis/gapic-generator-go/internal/txtdiff"
-	"google.golang.org/genproto/googleapis/api/serviceconfig"
-	"google.golang.org/protobuf/proto"
 	"google.golang.org/protobuf/types/descriptorpb"
 )
 
 func TestDocFile(t *testing.T) {
-	var g generator
-	g.apiName = "Awesome Foo API"
-	g.serviceConfig = &serviceconfig.Service{
-		Documentation: &serviceconfig.Documentation{
-			Summary: "The Awesome Foo API is really really awesome. It enables the use of [Foo](https://api.foo.com) with [Buz](https://api.buz.com) and [Baz](https://api.baz.com) to acclerate `bar`.",
+	g := generator{
+		apiName:       sample.ServiceTitle,
+		serviceConfig: sample.ServiceConfig(),
+		imports:       map[pbinfo.ImportSpec]bool{},
+		opts: &options{
+			pkgPath:    sample.GoPackagePath,
+			pkgName:    sample.GoPackageName,
+			transports: []transport{grpc, rest},
 		},
 	}
-	g.opts = &options{pkgPath: "path/to/awesome", pkgName: "awesome", transports: []transport{grpc, rest}}
-	g.imports = map[pbinfo.ImportSpec]bool{}
 
-	inputType := &descriptorpb.DescriptorProto{
-		Name: proto.String("InputType"),
-	}
-	outputType := &descriptorpb.DescriptorProto{
-		Name: proto.String("OutputType"),
-	}
-
-	file := &descriptorpb.FileDescriptorProto{
-		Options: &descriptorpb.FileOptions{
-			GoPackage: proto.String("mypackage"),
-		},
-	}
+	inputType := sample.InputType(sample.CreateRequest)
+	outputType := sample.OutputType(sample.Resource)
+	file := sample.File()
 
 	commonTypes(&g)
 	for _, typ := range []*descriptorpb.DescriptorProto{
 		inputType, outputType,
 	} {
-		g.descInfo.Type[".my.pkg."+typ.GetName()] = typ
+		typName := sample.DescriptorInfoTypeName(typ.GetName())
+		g.descInfo.Type[typName] = typ
 		g.descInfo.ParentFile[typ] = file
 	}
 
-	serv := &descriptorpb.ServiceDescriptorProto{
-		Name: proto.String("Foo"),
-		Method: []*descriptorpb.MethodDescriptorProto{
-			{
-				Name:       proto.String("GetOneThing"),
-				InputType:  proto.String(".my.pkg.InputType"),
-				OutputType: proto.String(".my.pkg.OutputType"),
-			},
-		},
-	}
-
+	serv := sample.Service()
 	for _, tst := range []struct {
 		relLvl, want string
 	}{
@@ -85,7 +67,7 @@ func TestDocFile(t *testing.T) {
 	} {
 		t.Run(tst.want, func(t *testing.T) {
 			g.opts.relLvl = tst.relLvl
-			g.genDocFile(42, []string{"https://foo.bar.com/auth", "https://zip.zap.com/auth"}, serv)
+			g.genDocFile(sample.Year, []string{sample.ServiceOAuthScope}, serv)
 			txtdiff.Diff(t, g.pt.String(), tst.want)
 			g.reset()
 		})
@@ -93,41 +75,31 @@ func TestDocFile(t *testing.T) {
 }
 
 func TestDocFileEmptyService(t *testing.T) {
-	var g generator
-	g.apiName = "Awesome Bar API"
-	g.serviceConfig = &serviceconfig.Service{
-		Documentation: &serviceconfig.Documentation{
-			Summary: "The Awesome Bar API is really really awesome. It enables the use of [Foo](https://api.foo.com) with [Buz](https://api.buz.com) and [Baz](https://api.baz.com) to acclerate `bar`.",
-		},
-	}
-	g.opts = &options{pkgPath: "path/to/awesome", pkgName: "awesome", transports: []transport{grpc}}
-	g.imports = map[pbinfo.ImportSpec]bool{}
-
-	inputType := &descriptorpb.DescriptorProto{
-		Name: proto.String("InputType"),
-	}
-	outputType := &descriptorpb.DescriptorProto{
-		Name: proto.String("OutputType"),
-	}
-
-	file := &descriptorpb.FileDescriptorProto{
-		Options: &descriptorpb.FileOptions{
-			GoPackage: proto.String("mypackage"),
+	g := generator{
+		apiName:       sample.ServiceTitle,
+		imports:       map[pbinfo.ImportSpec]bool{},
+		serviceConfig: sample.ServiceConfig(),
+		opts: &options{
+			pkgPath:    sample.GoPackagePath,
+			pkgName:    sample.GoPackageName,
+			transports: []transport{grpc, rest},
 		},
 	}
+	inputType := sample.InputType(sample.CreateRequest)
+	outputType := sample.OutputType(sample.Resource)
+	file := sample.File()
 
 	commonTypes(&g)
 	for _, typ := range []*descriptorpb.DescriptorProto{
 		inputType, outputType,
 	} {
-		g.descInfo.Type[".my.pkg."+typ.GetName()] = typ
+		typName := sample.DescriptorInfoTypeName(typ.GetName())
+		g.descInfo.Type[typName] = typ
 		g.descInfo.ParentFile[typ] = file
 	}
 
-	serv := &descriptorpb.ServiceDescriptorProto{
-		Name: proto.String("Foo"),
-	}
-
+	serv := sample.Service()
+	serv.Method = nil
 	for _, tst := range []struct {
 		relLvl, want string
 	}{
@@ -149,7 +121,7 @@ func TestDocFileEmptyService(t *testing.T) {
 	} {
 		t.Run(tst.want, func(t *testing.T) {
 			g.opts.relLvl = tst.relLvl
-			g.genDocFile(43, []string{"https://foo.bar.com/auth", "https://zip.zap.com/auth"}, serv)
+			g.genDocFile(sample.Year, []string{sample.ServiceOAuthScope}, serv)
 			txtdiff.Diff(t, g.pt.String(), tst.want)
 			g.reset()
 		})
diff --git a/internal/gengapic/example_test.go b/internal/gengapic/example_test.go
index d24f3cf04f5..cda50d9c628 100644
--- a/internal/gengapic/example_test.go
+++ b/internal/gengapic/example_test.go
@@ -50,12 +50,8 @@ func TestExample(t *testing.T) {
 		},
 	}
 
-	inputType := &descriptorpb.DescriptorProto{
-		Name: proto.String("InputType"),
-	}
-	outputType := &descriptorpb.DescriptorProto{
-		Name: proto.String("OutputType"),
-	}
+	inputType := sample.InputType("InputType")
+	outputType := sample.OutputType("OutputType")
 
 	pageInputType := &descriptorpb.DescriptorProto{
 		Name: proto.String("PageInputType"),
diff --git a/internal/gengapic/testdata/doc_file.want b/internal/gengapic/testdata/doc_file.want
index cbae1e4030f..493f0e0880e 100644
--- a/internal/gengapic/testdata/doc_file.want
+++ b/internal/gengapic/testdata/doc_file.want
@@ -1,4 +1,4 @@
-// Copyright 42 Google LLC
+// Copyright 2024 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -14,12 +14,11 @@
 
 // Code generated by protoc-gen-go_gapic. DO NOT EDIT.
 
-// Package awesome is an auto-generated package for the
-// Awesome Foo API.
+// Package migration is an auto-generated package for the
+// BigQuery Migration API.
 //
-// The Awesome Foo API is really really awesome. It enables the use of Foo
-// (at https://api.foo.com) with Buz (at https://api.buz.com) and Baz (at
-// https://api.baz.com) to acclerate bar.
+// The migration service, exposing apis for migration jobs operations, and
+// agent management.
 //
 // General documentation
 //
@@ -42,7 +41,7 @@
 //  // - It may require correct/in-range values for request initialization.
 //  // - It may require specifying regional endpoints when creating the service client as shown in:
 //  //   https://pkg.go.dev/cloud.google.com/go#hdr-Client_Options
-//  c, err := awesome.NewFooClient(ctx)
+//  c, err := migration.NewClient(ctx)
 //  if err != nil {
 //  	// TODO: Handle error.
 //  }
@@ -62,17 +61,17 @@
 //  // - It may require correct/in-range values for request initialization.
 //  // - It may require specifying regional endpoints when creating the service client as shown in:
 //  //   https://pkg.go.dev/cloud.google.com/go#hdr-Client_Options
-//  c, err := awesome.NewFooClient(ctx)
+//  c, err := migration.NewClient(ctx)
 //  if err != nil {
 //  	// TODO: Handle error.
 //  }
 //  defer c.Close()
 //
-//  req := &mypackagepb.InputType{
+//  req := &migrationpb.CreateMigrationWorkflowRequest{
 //  	// TODO: Fill request struct fields.
-//  	// See https://pkg.go.dev/mypackage#InputType.
+//  	// See https://pkg.go.dev/cloud.google.com/go/bigquery/migration/apiv2/migrationpb#CreateMigrationWorkflowRequest.
 //  }
-//  resp, err := c.GetOneThing(ctx, req)
+//  resp, err := c.CreateMigrationWorkflow(ctx, req)
 //  if err != nil {
 //  	// TODO: Handle error.
 //  }
@@ -81,7 +80,7 @@
 //
 // Use of Context
 //
-// The ctx passed to NewFooClient is used for authentication requests and
+// The ctx passed to NewClient is used for authentication requests and
 // for creating the underlying connection, but is not used for subsequent calls.
 // Individual methods on the client use the ctx given to them.
 //
@@ -92,7 +91,7 @@
 // [Testing against Client Libraries]: https://pkg.go.dev/cloud.google.com/go#hdr-Testing
 // [Debugging Client Libraries]: https://pkg.go.dev/cloud.google.com/go#hdr-Debugging
 // [Inspecting errors]: https://pkg.go.dev/cloud.google.com/go#hdr-Inspecting_errors
-package awesome // import "path/to/awesome"
+package migration // import "cloud.google.com/go/bigquery/migration/apiv2"
 
 import (
 	"context"
@@ -117,7 +116,6 @@ func getVersionClient() string {
 // DefaultAuthScopes reports the default set of authentication scopes to use with this package.
 func DefaultAuthScopes() []string {
 	return []string{
-		"https://foo.bar.com/auth",
-		"https://zip.zap.com/auth",
+		"https://www.googleapis.com/auth/cloud-platform",
 	}
 }
diff --git a/internal/gengapic/testdata/doc_file_alpha.want b/internal/gengapic/testdata/doc_file_alpha.want
index cb422e58e44..9a5d2c8ae41 100644
--- a/internal/gengapic/testdata/doc_file_alpha.want
+++ b/internal/gengapic/testdata/doc_file_alpha.want
@@ -1,4 +1,4 @@
-// Copyright 42 Google LLC
+// Copyright 2024 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -14,12 +14,11 @@
 
 // Code generated by protoc-gen-go_gapic. DO NOT EDIT.
 
-// Package awesome is an auto-generated package for the
-// Awesome Foo API.
+// Package migration is an auto-generated package for the
+// BigQuery Migration API.
 //
-// The Awesome Foo API is really really awesome. It enables the use of Foo
-// (at https://api.foo.com) with Buz (at https://api.buz.com) and Baz (at
-// https://api.baz.com) to acclerate bar.
+// The migration service, exposing apis for migration jobs operations, and
+// agent management.
 //
 //   NOTE: This package is in alpha. It is not stable, and is likely to change.
 //
@@ -44,7 +43,7 @@
 //  // - It may require correct/in-range values for request initialization.
 //  // - It may require specifying regional endpoints when creating the service client as shown in:
 //  //   https://pkg.go.dev/cloud.google.com/go#hdr-Client_Options
-//  c, err := awesome.NewFooClient(ctx)
+//  c, err := migration.NewClient(ctx)
 //  if err != nil {
 //  	// TODO: Handle error.
 //  }
@@ -64,17 +63,17 @@
 //  // - It may require correct/in-range values for request initialization.
 //  // - It may require specifying regional endpoints when creating the service client as shown in:
 //  //   https://pkg.go.dev/cloud.google.com/go#hdr-Client_Options
-//  c, err := awesome.NewFooClient(ctx)
+//  c, err := migration.NewClient(ctx)
 //  if err != nil {
 //  	// TODO: Handle error.
 //  }
 //  defer c.Close()
 //
-//  req := &mypackagepb.InputType{
+//  req := &migrationpb.CreateMigrationWorkflowRequest{
 //  	// TODO: Fill request struct fields.
-//  	// See https://pkg.go.dev/mypackage#InputType.
+//  	// See https://pkg.go.dev/cloud.google.com/go/bigquery/migration/apiv2/migrationpb#CreateMigrationWorkflowRequest.
 //  }
-//  resp, err := c.GetOneThing(ctx, req)
+//  resp, err := c.CreateMigrationWorkflow(ctx, req)
 //  if err != nil {
 //  	// TODO: Handle error.
 //  }
@@ -83,7 +82,7 @@
 //
 // Use of Context
 //
-// The ctx passed to NewFooClient is used for authentication requests and
+// The ctx passed to NewClient is used for authentication requests and
 // for creating the underlying connection, but is not used for subsequent calls.
 // Individual methods on the client use the ctx given to them.
 //
@@ -94,7 +93,7 @@
 // [Testing against Client Libraries]: https://pkg.go.dev/cloud.google.com/go#hdr-Testing
 // [Debugging Client Libraries]: https://pkg.go.dev/cloud.google.com/go#hdr-Debugging
 // [Inspecting errors]: https://pkg.go.dev/cloud.google.com/go#hdr-Inspecting_errors
-package awesome // import "path/to/awesome"
+package migration // import "cloud.google.com/go/bigquery/migration/apiv2"
 
 import (
 	"context"
@@ -119,7 +118,6 @@ func getVersionClient() string {
 // DefaultAuthScopes reports the default set of authentication scopes to use with this package.
 func DefaultAuthScopes() []string {
 	return []string{
-		"https://foo.bar.com/auth",
-		"https://zip.zap.com/auth",
+		"https://www.googleapis.com/auth/cloud-platform",
 	}
 }
diff --git a/internal/gengapic/testdata/doc_file_alpha_emptyservice.want b/internal/gengapic/testdata/doc_file_alpha_emptyservice.want
index 4ca85b0702e..f8c0e126aa1 100644
--- a/internal/gengapic/testdata/doc_file_alpha_emptyservice.want
+++ b/internal/gengapic/testdata/doc_file_alpha_emptyservice.want
@@ -1,4 +1,4 @@
-// Copyright 43 Google LLC
+// Copyright 2024 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -14,12 +14,11 @@
 
 // Code generated by protoc-gen-go_gapic. DO NOT EDIT.
 
-// Package awesome is an auto-generated package for the
-// Awesome Bar API.
+// Package migration is an auto-generated package for the
+// BigQuery Migration API.
 //
-// The Awesome Bar API is really really awesome. It enables the use of Foo
-// (at https://api.foo.com) with Buz (at https://api.buz.com) and Baz (at
-// https://api.baz.com) to acclerate bar.
+// The migration service, exposing apis for migration jobs operations, and
+// agent management.
 //
 //   NOTE: This package is in alpha. It is not stable, and is likely to change.
 //
@@ -44,7 +43,7 @@
 //  // - It may require correct/in-range values for request initialization.
 //  // - It may require specifying regional endpoints when creating the service client as shown in:
 //  //   https://pkg.go.dev/cloud.google.com/go#hdr-Client_Options
-//  c, err := awesome.NewFooClient(ctx)
+//  c, err := migration.NewClient(ctx)
 //  if err != nil {
 //  	// TODO: Handle error.
 //  }
@@ -56,7 +55,7 @@
 //
 // Use of Context
 //
-// The ctx passed to NewFooClient is used for authentication requests and
+// The ctx passed to NewClient is used for authentication requests and
 // for creating the underlying connection, but is not used for subsequent calls.
 // Individual methods on the client use the ctx given to them.
 //
@@ -67,7 +66,7 @@
 // [Testing against Client Libraries]: https://pkg.go.dev/cloud.google.com/go#hdr-Testing
 // [Debugging Client Libraries]: https://pkg.go.dev/cloud.google.com/go#hdr-Debugging
 // [Inspecting errors]: https://pkg.go.dev/cloud.google.com/go#hdr-Inspecting_errors
-package awesome // import "path/to/awesome"
+package migration // import "cloud.google.com/go/bigquery/migration/apiv2"
 
 import (
 	"context"
@@ -92,7 +91,6 @@ func getVersionClient() string {
 // DefaultAuthScopes reports the default set of authentication scopes to use with this package.
 func DefaultAuthScopes() []string {
 	return []string{
-		"https://foo.bar.com/auth",
-		"https://zip.zap.com/auth",
+		"https://www.googleapis.com/auth/cloud-platform",
 	}
 }
diff --git a/internal/gengapic/testdata/doc_file_beta.want b/internal/gengapic/testdata/doc_file_beta.want
index c0ed58fc8db..8d75820683d 100644
--- a/internal/gengapic/testdata/doc_file_beta.want
+++ b/internal/gengapic/testdata/doc_file_beta.want
@@ -1,4 +1,4 @@
-// Copyright 42 Google LLC
+// Copyright 2024 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -14,12 +14,11 @@
 
 // Code generated by protoc-gen-go_gapic. DO NOT EDIT.
 
-// Package awesome is an auto-generated package for the
-// Awesome Foo API.
+// Package migration is an auto-generated package for the
+// BigQuery Migration API.
 //
-// The Awesome Foo API is really really awesome. It enables the use of Foo
-// (at https://api.foo.com) with Buz (at https://api.buz.com) and Baz (at
-// https://api.baz.com) to acclerate bar.
+// The migration service, exposing apis for migration jobs operations, and
+// agent management.
 //
 //   NOTE: This package is in beta. It is not stable, and may be subject to changes.
 //
@@ -44,7 +43,7 @@
 //  // - It may require correct/in-range values for request initialization.
 //  // - It may require specifying regional endpoints when creating the service client as shown in:
 //  //   https://pkg.go.dev/cloud.google.com/go#hdr-Client_Options
-//  c, err := awesome.NewFooClient(ctx)
+//  c, err := migration.NewClient(ctx)
 //  if err != nil {
 //  	// TODO: Handle error.
 //  }
@@ -64,17 +63,17 @@
 //  // - It may require correct/in-range values for request initialization.
 //  // - It may require specifying regional endpoints when creating the service client as shown in:
 //  //   https://pkg.go.dev/cloud.google.com/go#hdr-Client_Options
-//  c, err := awesome.NewFooClient(ctx)
+//  c, err := migration.NewClient(ctx)
 //  if err != nil {
 //  	// TODO: Handle error.
 //  }
 //  defer c.Close()
 //
-//  req := &mypackagepb.InputType{
+//  req := &migrationpb.CreateMigrationWorkflowRequest{
 //  	// TODO: Fill request struct fields.
-//  	// See https://pkg.go.dev/mypackage#InputType.
+//  	// See https://pkg.go.dev/cloud.google.com/go/bigquery/migration/apiv2/migrationpb#CreateMigrationWorkflowRequest.
 //  }
-//  resp, err := c.GetOneThing(ctx, req)
+//  resp, err := c.CreateMigrationWorkflow(ctx, req)
 //  if err != nil {
 //  	// TODO: Handle error.
 //  }
@@ -83,7 +82,7 @@
 //
 // Use of Context
 //
-// The ctx passed to NewFooClient is used for authentication requests and
+// The ctx passed to NewClient is used for authentication requests and
 // for creating the underlying connection, but is not used for subsequent calls.
 // Individual methods on the client use the ctx given to them.
 //
@@ -94,7 +93,7 @@
 // [Testing against Client Libraries]: https://pkg.go.dev/cloud.google.com/go#hdr-Testing
 // [Debugging Client Libraries]: https://pkg.go.dev/cloud.google.com/go#hdr-Debugging
 // [Inspecting errors]: https://pkg.go.dev/cloud.google.com/go#hdr-Inspecting_errors
-package awesome // import "path/to/awesome"
+package migration // import "cloud.google.com/go/bigquery/migration/apiv2"
 
 import (
 	"context"
@@ -119,7 +118,6 @@ func getVersionClient() string {
 // DefaultAuthScopes reports the default set of authentication scopes to use with this package.
 func DefaultAuthScopes() []string {
 	return []string{
-		"https://foo.bar.com/auth",
-		"https://zip.zap.com/auth",
+		"https://www.googleapis.com/auth/cloud-platform",
 	}
 }
diff --git a/internal/gengapic/testdata/doc_file_beta_emptyservice.want b/internal/gengapic/testdata/doc_file_beta_emptyservice.want
index ec9b819b854..8cc61d17bbe 100644
--- a/internal/gengapic/testdata/doc_file_beta_emptyservice.want
+++ b/internal/gengapic/testdata/doc_file_beta_emptyservice.want
@@ -1,4 +1,4 @@
-// Copyright 43 Google LLC
+// Copyright 2024 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -14,12 +14,11 @@
 
 // Code generated by protoc-gen-go_gapic. DO NOT EDIT.
 
-// Package awesome is an auto-generated package for the
-// Awesome Bar API.
+// Package migration is an auto-generated package for the
+// BigQuery Migration API.
 //
-// The Awesome Bar API is really really awesome. It enables the use of Foo
-// (at https://api.foo.com) with Buz (at https://api.buz.com) and Baz (at
-// https://api.baz.com) to acclerate bar.
+// The migration service, exposing apis for migration jobs operations, and
+// agent management.
 //
 //   NOTE: This package is in beta. It is not stable, and may be subject to changes.
 //
@@ -44,7 +43,7 @@
 //  // - It may require correct/in-range values for request initialization.
 //  // - It may require specifying regional endpoints when creating the service client as shown in:
 //  //   https://pkg.go.dev/cloud.google.com/go#hdr-Client_Options
-//  c, err := awesome.NewFooClient(ctx)
+//  c, err := migration.NewClient(ctx)
 //  if err != nil {
 //  	// TODO: Handle error.
 //  }
@@ -56,7 +55,7 @@
 //
 // Use of Context
 //
-// The ctx passed to NewFooClient is used for authentication requests and
+// The ctx passed to NewClient is used for authentication requests and
 // for creating the underlying connection, but is not used for subsequent calls.
 // Individual methods on the client use the ctx given to them.
 //
@@ -67,7 +66,7 @@
 // [Testing against Client Libraries]: https://pkg.go.dev/cloud.google.com/go#hdr-Testing
 // [Debugging Client Libraries]: https://pkg.go.dev/cloud.google.com/go#hdr-Debugging
 // [Inspecting errors]: https://pkg.go.dev/cloud.google.com/go#hdr-Inspecting_errors
-package awesome // import "path/to/awesome"
+package migration // import "cloud.google.com/go/bigquery/migration/apiv2"
 
 import (
 	"context"
@@ -92,7 +91,6 @@ func getVersionClient() string {
 // DefaultAuthScopes reports the default set of authentication scopes to use with this package.
 func DefaultAuthScopes() []string {
 	return []string{
-		"https://foo.bar.com/auth",
-		"https://zip.zap.com/auth",
+		"https://www.googleapis.com/auth/cloud-platform",
 	}
 }
diff --git a/internal/gengapic/testdata/doc_file_deprecated_emptyservice.want b/internal/gengapic/testdata/doc_file_deprecated_emptyservice.want
index 35e2a79d6d7..4a545af7633 100644
--- a/internal/gengapic/testdata/doc_file_deprecated_emptyservice.want
+++ b/internal/gengapic/testdata/doc_file_deprecated_emptyservice.want
@@ -1,4 +1,4 @@
-// Copyright 43 Google LLC
+// Copyright 2024 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -14,12 +14,11 @@
 
 // Code generated by protoc-gen-go_gapic. DO NOT EDIT.
 
-// Package awesome is an auto-generated package for the
-// Awesome Bar API.
+// Package migration is an auto-generated package for the
+// BigQuery Migration API.
 //
-// The Awesome Bar API is really really awesome. It enables the use of Foo
-// (at https://api.foo.com) with Buz (at https://api.buz.com) and Baz (at
-// https://api.baz.com) to acclerate bar.
+// The migration service, exposing apis for migration jobs operations, and
+// agent management.
 //
 // Deprecated: Find the newer version of this package in the module.
 //
@@ -44,7 +43,7 @@
 //  // - It may require correct/in-range values for request initialization.
 //  // - It may require specifying regional endpoints when creating the service client as shown in:
 //  //   https://pkg.go.dev/cloud.google.com/go#hdr-Client_Options
-//  c, err := awesome.NewFooClient(ctx)
+//  c, err := migration.NewClient(ctx)
 //  if err != nil {
 //  	// TODO: Handle error.
 //  }
@@ -56,7 +55,7 @@
 //
 // Use of Context
 //
-// The ctx passed to NewFooClient is used for authentication requests and
+// The ctx passed to NewClient is used for authentication requests and
 // for creating the underlying connection, but is not used for subsequent calls.
 // Individual methods on the client use the ctx given to them.
 //
@@ -67,7 +66,7 @@
 // [Testing against Client Libraries]: https://pkg.go.dev/cloud.google.com/go#hdr-Testing
 // [Debugging Client Libraries]: https://pkg.go.dev/cloud.google.com/go#hdr-Debugging
 // [Inspecting errors]: https://pkg.go.dev/cloud.google.com/go#hdr-Inspecting_errors
-package awesome // import "path/to/awesome"
+package migration // import "cloud.google.com/go/bigquery/migration/apiv2"
 
 import (
 	"context"
@@ -92,7 +91,6 @@ func getVersionClient() string {
 // DefaultAuthScopes reports the default set of authentication scopes to use with this package.
 func DefaultAuthScopes() []string {
 	return []string{
-		"https://foo.bar.com/auth",
-		"https://zip.zap.com/auth",
+		"https://www.googleapis.com/auth/cloud-platform",
 	}
 }
diff --git a/internal/gengapic/testdata/doc_file_emptyservice.want b/internal/gengapic/testdata/doc_file_emptyservice.want
index e2f28806850..d8aefae5c24 100644
--- a/internal/gengapic/testdata/doc_file_emptyservice.want
+++ b/internal/gengapic/testdata/doc_file_emptyservice.want
@@ -1,4 +1,4 @@
-// Copyright 43 Google LLC
+// Copyright 2024 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -14,12 +14,11 @@
 
 // Code generated by protoc-gen-go_gapic. DO NOT EDIT.
 
-// Package awesome is an auto-generated package for the
-// Awesome Bar API.
+// Package migration is an auto-generated package for the
+// BigQuery Migration API.
 //
-// The Awesome Bar API is really really awesome. It enables the use of Foo
-// (at https://api.foo.com) with Buz (at https://api.buz.com) and Baz (at
-// https://api.baz.com) to acclerate bar.
+// The migration service, exposing apis for migration jobs operations, and
+// agent management.
 //
 // General documentation
 //
@@ -42,7 +41,7 @@
 //  // - It may require correct/in-range values for request initialization.
 //  // - It may require specifying regional endpoints when creating the service client as shown in:
 //  //   https://pkg.go.dev/cloud.google.com/go#hdr-Client_Options
-//  c, err := awesome.NewFooClient(ctx)
+//  c, err := migration.NewClient(ctx)
 //  if err != nil {
 //  	// TODO: Handle error.
 //  }
@@ -54,7 +53,7 @@
 //
 // Use of Context
 //
-// The ctx passed to NewFooClient is used for authentication requests and
+// The ctx passed to NewClient is used for authentication requests and
 // for creating the underlying connection, but is not used for subsequent calls.
 // Individual methods on the client use the ctx given to them.
 //
@@ -65,7 +64,7 @@
 // [Testing against Client Libraries]: https://pkg.go.dev/cloud.google.com/go#hdr-Testing
 // [Debugging Client Libraries]: https://pkg.go.dev/cloud.google.com/go#hdr-Debugging
 // [Inspecting errors]: https://pkg.go.dev/cloud.google.com/go#hdr-Inspecting_errors
-package awesome // import "path/to/awesome"
+package migration // import "cloud.google.com/go/bigquery/migration/apiv2"
 
 import (
 	"context"
@@ -90,7 +89,6 @@ func getVersionClient() string {
 // DefaultAuthScopes reports the default set of authentication scopes to use with this package.
 func DefaultAuthScopes() []string {
 	return []string{
-		"https://foo.bar.com/auth",
-		"https://zip.zap.com/auth",
+		"https://www.googleapis.com/auth/cloud-platform",
 	}
 }
diff --git a/internal/testing/sample/sample.go b/internal/testing/sample/sample.go
index 5078c82c0d1..9ff4a158484 100644
--- a/internal/testing/sample/sample.go
+++ b/internal/testing/sample/sample.go
@@ -38,6 +38,27 @@ const (
 	// https://github.com/googleapis/googleapis/blob/f7df662a24c56ecaab79cb7d808fed4d2bb4981d/google/cloud/bigquery/migration/v2/migration_service.proto#L35
 	ServiceName = "MigrationService"
 
+	// ServiceTitle is the name of the service provided in the service YAML
+	// file.
+	//
+	// Example:
+	// https://github.com/googleapis/googleapis/blob/f7df662a24c56ecaab79cb7d808fed4d2bb4981d/google/cloud/bigquery/migration/v2/bigquerymigration_v2.yaml#L4
+	ServiceTitle = "BigQuery Migration API"
+
+	// ServiceDocumentationSummary is the description of the service provided in the
+	// service YAML file.
+	//
+	// Example:
+	// https://github.com/googleapis/googleapis/blob/f7df662a24c56ecaab79cb7d808fed4d2bb4981d/google/cloud/bigquery/migration/v2/bigquerymigration_v2.yaml#L11
+	ServiceDocumentationSummary = "The migration service, exposing apis for migration jobs operations, and agent management."
+
+	// ServiceOAuthScope is the OAuth 2.0 scope(s) that is needed to request
+	// access to the service's API, as defined in the service YAML file.
+	//
+	// Example:
+	// https://github.com/googleapis/googleapis/blob/f7df662a24c56ecaab79cb7d808fed4d2bb4981d/google/cloud/bigquery/migration/v2/bigquerymigration_v2.yaml#L24
+	ServiceOAuthScope = "https://www.googleapis.com/auth/cloud-platform"
+
 	// CreateMethod is the name of the RPC method for creating a resource.
 	// The same name is used for the proto RPC method and the Go method.
 	//
@@ -85,7 +106,12 @@ const (
 )
 
 const (
+	// Year is the year used in the copyright header for package documentation
+	// and samples.
+	Year = 2024
+)
 
+const (
 	// ProtoServiceName is the fully qualified name of service.
 	//
 	// Example:
@@ -151,6 +177,9 @@ func ServiceConfig() *serviceconfig.Service {
 		Apis: []*apipb.Api{
 			{Name: ProtoServiceName},
 		},
+		Documentation: &serviceconfig.Documentation{
+			Summary: ServiceDocumentationSummary,
+		},
 	}
 }