diff --git a/packages/google-api-servicemanagement/linkinator.config.json b/packages/google-api-servicemanagement/linkinator.config.json
index 29a223b6db6..0121dfa684f 100644
--- a/packages/google-api-servicemanagement/linkinator.config.json
+++ b/packages/google-api-servicemanagement/linkinator.config.json
@@ -6,5 +6,5 @@
     "img.shields.io"
   ],
   "silent": true,
-  "concurrency": 10
+  "concurrency": 5
 }
diff --git a/packages/google-api-servicemanagement/samples/generated/v1/service_manager.create_service.js b/packages/google-api-servicemanagement/samples/generated/v1/service_manager.create_service.js
new file mode 100644
index 00000000000..55bf7963f3b
--- /dev/null
+++ b/packages/google-api-servicemanagement/samples/generated/v1/service_manager.create_service.js
@@ -0,0 +1,53 @@
+// Copyright 2021 Google LLC
+//
+// 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.
+
+'use strict';
+
+function main(service) {
+  // [START servicemanagement_v1_generated_ServiceManager_CreateService_async]
+  /**
+   * TODO(developer): Uncomment these variables before running the sample.
+   */
+  /**
+   *  Required. Initial values for the service resource.
+   */
+  // const service = {}
+
+  // Imports the Servicemanagement library
+  const {ServiceManagerClient} = require('@google-cloud/service-management').v1;
+
+  // Instantiates a client
+  const servicemanagementClient = new ServiceManagerClient();
+
+  async function callCreateService() {
+    // Construct request
+    const request = {
+      service,
+    };
+
+    // Run request
+    const [operation] = await servicemanagementClient.createService(request);
+    const [response] = await operation.promise();
+    console.log(response);
+  }
+
+  callCreateService();
+  // [END servicemanagement_v1_generated_ServiceManager_CreateService_async]
+}
+
+process.on('unhandledRejection', err => {
+  console.error(err.message);
+  process.exitCode = 1;
+});
+main(...process.argv.slice(2));
diff --git a/packages/google-api-servicemanagement/samples/generated/v1/service_manager.create_service_config.js b/packages/google-api-servicemanagement/samples/generated/v1/service_manager.create_service_config.js
new file mode 100644
index 00000000000..edafb7a9e6e
--- /dev/null
+++ b/packages/google-api-servicemanagement/samples/generated/v1/service_manager.create_service_config.js
@@ -0,0 +1,58 @@
+// Copyright 2021 Google LLC
+//
+// 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.
+
+'use strict';
+
+function main(serviceName, serviceConfig) {
+  // [START servicemanagement_v1_generated_ServiceManager_CreateServiceConfig_async]
+  /**
+   * TODO(developer): Uncomment these variables before running the sample.
+   */
+  /**
+   *  Required. The name of the service.  See the overview (https://cloud.google.com/service-management/overview)
+   *  for naming requirements.  For example: `example.googleapis.com`.
+   */
+  // const serviceName = 'abc123'
+  /**
+   *  Required. The service configuration resource.
+   */
+  // const serviceConfig = {}
+
+  // Imports the Servicemanagement library
+  const {ServiceManagerClient} = require('@google-cloud/service-management').v1;
+
+  // Instantiates a client
+  const servicemanagementClient = new ServiceManagerClient();
+
+  async function callCreateServiceConfig() {
+    // Construct request
+    const request = {
+      serviceName,
+      serviceConfig,
+    };
+
+    // Run request
+    const response = await servicemanagementClient.createServiceConfig(request);
+    console.log(response);
+  }
+
+  callCreateServiceConfig();
+  // [END servicemanagement_v1_generated_ServiceManager_CreateServiceConfig_async]
+}
+
+process.on('unhandledRejection', err => {
+  console.error(err.message);
+  process.exitCode = 1;
+});
+main(...process.argv.slice(2));
diff --git a/packages/google-api-servicemanagement/samples/generated/v1/service_manager.create_service_rollout.js b/packages/google-api-servicemanagement/samples/generated/v1/service_manager.create_service_rollout.js
new file mode 100644
index 00000000000..c1288506952
--- /dev/null
+++ b/packages/google-api-servicemanagement/samples/generated/v1/service_manager.create_service_rollout.js
@@ -0,0 +1,61 @@
+// Copyright 2021 Google LLC
+//
+// 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.
+
+'use strict';
+
+function main(serviceName, rollout) {
+  // [START servicemanagement_v1_generated_ServiceManager_CreateServiceRollout_async]
+  /**
+   * TODO(developer): Uncomment these variables before running the sample.
+   */
+  /**
+   *  Required. The name of the service.  See the overview (https://cloud.google.com/service-management/overview)
+   *  for naming requirements.  For example: `example.googleapis.com`.
+   */
+  // const serviceName = 'abc123'
+  /**
+   *  Required. The rollout resource. The `service_name` field is output only.
+   */
+  // const rollout = {}
+
+  // Imports the Servicemanagement library
+  const {ServiceManagerClient} = require('@google-cloud/service-management').v1;
+
+  // Instantiates a client
+  const servicemanagementClient = new ServiceManagerClient();
+
+  async function callCreateServiceRollout() {
+    // Construct request
+    const request = {
+      serviceName,
+      rollout,
+    };
+
+    // Run request
+    const [operation] = await servicemanagementClient.createServiceRollout(
+      request
+    );
+    const [response] = await operation.promise();
+    console.log(response);
+  }
+
+  callCreateServiceRollout();
+  // [END servicemanagement_v1_generated_ServiceManager_CreateServiceRollout_async]
+}
+
+process.on('unhandledRejection', err => {
+  console.error(err.message);
+  process.exitCode = 1;
+});
+main(...process.argv.slice(2));
diff --git a/packages/google-api-servicemanagement/samples/generated/v1/service_manager.delete_service.js b/packages/google-api-servicemanagement/samples/generated/v1/service_manager.delete_service.js
new file mode 100644
index 00000000000..ccaf69b7711
--- /dev/null
+++ b/packages/google-api-servicemanagement/samples/generated/v1/service_manager.delete_service.js
@@ -0,0 +1,54 @@
+// Copyright 2021 Google LLC
+//
+// 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.
+
+'use strict';
+
+function main(serviceName) {
+  // [START servicemanagement_v1_generated_ServiceManager_DeleteService_async]
+  /**
+   * TODO(developer): Uncomment these variables before running the sample.
+   */
+  /**
+   *  Required. The name of the service.  See the overview (https://cloud.google.com/service-management/overview)
+   *  for naming requirements.  For example: `example.googleapis.com`.
+   */
+  // const serviceName = 'abc123'
+
+  // Imports the Servicemanagement library
+  const {ServiceManagerClient} = require('@google-cloud/service-management').v1;
+
+  // Instantiates a client
+  const servicemanagementClient = new ServiceManagerClient();
+
+  async function callDeleteService() {
+    // Construct request
+    const request = {
+      serviceName,
+    };
+
+    // Run request
+    const [operation] = await servicemanagementClient.deleteService(request);
+    const [response] = await operation.promise();
+    console.log(response);
+  }
+
+  callDeleteService();
+  // [END servicemanagement_v1_generated_ServiceManager_DeleteService_async]
+}
+
+process.on('unhandledRejection', err => {
+  console.error(err.message);
+  process.exitCode = 1;
+});
+main(...process.argv.slice(2));
diff --git a/packages/google-api-servicemanagement/samples/generated/v1/service_manager.disable_service.js b/packages/google-api-servicemanagement/samples/generated/v1/service_manager.disable_service.js
new file mode 100644
index 00000000000..693c8ecd5b1
--- /dev/null
+++ b/packages/google-api-servicemanagement/samples/generated/v1/service_manager.disable_service.js
@@ -0,0 +1,65 @@
+// Copyright 2021 Google LLC
+//
+// 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.
+
+'use strict';
+
+function main(serviceName, consumerId) {
+  // [START servicemanagement_v1_generated_ServiceManager_DisableService_async]
+  /**
+   * TODO(developer): Uncomment these variables before running the sample.
+   */
+  /**
+   *  Required. Name of the service to disable. Specifying an unknown service name
+   *  will cause the request to fail.
+   */
+  // const serviceName = 'abc123'
+  /**
+   *  Required. The identity of consumer resource which service disablement will be
+   *  applied to.
+   *  The Google Service Management implementation accepts the following
+   *  forms:
+   *  - "project:<project_id>"
+   *  Note: this is made compatible with
+   *  google.api.servicecontrol.v1.Operation.consumer_id.
+   */
+  // const consumerId = 'abc123'
+
+  // Imports the Servicemanagement library
+  const {ServiceManagerClient} = require('@google-cloud/service-management').v1;
+
+  // Instantiates a client
+  const servicemanagementClient = new ServiceManagerClient();
+
+  async function callDisableService() {
+    // Construct request
+    const request = {
+      serviceName,
+      consumerId,
+    };
+
+    // Run request
+    const [operation] = await servicemanagementClient.disableService(request);
+    const [response] = await operation.promise();
+    console.log(response);
+  }
+
+  callDisableService();
+  // [END servicemanagement_v1_generated_ServiceManager_DisableService_async]
+}
+
+process.on('unhandledRejection', err => {
+  console.error(err.message);
+  process.exitCode = 1;
+});
+main(...process.argv.slice(2));
diff --git a/packages/google-api-servicemanagement/samples/generated/v1/service_manager.enable_service.js b/packages/google-api-servicemanagement/samples/generated/v1/service_manager.enable_service.js
new file mode 100644
index 00000000000..86e2e65e823
--- /dev/null
+++ b/packages/google-api-servicemanagement/samples/generated/v1/service_manager.enable_service.js
@@ -0,0 +1,65 @@
+// Copyright 2021 Google LLC
+//
+// 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.
+
+'use strict';
+
+function main(serviceName, consumerId) {
+  // [START servicemanagement_v1_generated_ServiceManager_EnableService_async]
+  /**
+   * TODO(developer): Uncomment these variables before running the sample.
+   */
+  /**
+   *  Required. Name of the service to enable. Specifying an unknown service name will
+   *  cause the request to fail.
+   */
+  // const serviceName = 'abc123'
+  /**
+   *  Required. The identity of consumer resource which service enablement will be
+   *  applied to.
+   *  The Google Service Management implementation accepts the following
+   *  forms:
+   *  - "project:<project_id>"
+   *  Note: this is made compatible with
+   *  google.api.servicecontrol.v1.Operation.consumer_id.
+   */
+  // const consumerId = 'abc123'
+
+  // Imports the Servicemanagement library
+  const {ServiceManagerClient} = require('@google-cloud/service-management').v1;
+
+  // Instantiates a client
+  const servicemanagementClient = new ServiceManagerClient();
+
+  async function callEnableService() {
+    // Construct request
+    const request = {
+      serviceName,
+      consumerId,
+    };
+
+    // Run request
+    const [operation] = await servicemanagementClient.enableService(request);
+    const [response] = await operation.promise();
+    console.log(response);
+  }
+
+  callEnableService();
+  // [END servicemanagement_v1_generated_ServiceManager_EnableService_async]
+}
+
+process.on('unhandledRejection', err => {
+  console.error(err.message);
+  process.exitCode = 1;
+});
+main(...process.argv.slice(2));
diff --git a/packages/google-api-servicemanagement/samples/generated/v1/service_manager.generate_config_report.js b/packages/google-api-servicemanagement/samples/generated/v1/service_manager.generate_config_report.js
new file mode 100644
index 00000000000..cbd977f44a9
--- /dev/null
+++ b/packages/google-api-servicemanagement/samples/generated/v1/service_manager.generate_config_report.js
@@ -0,0 +1,66 @@
+// Copyright 2021 Google LLC
+//
+// 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.
+
+'use strict';
+
+function main(newConfig) {
+  // [START servicemanagement_v1_generated_ServiceManager_GenerateConfigReport_async]
+  /**
+   * TODO(developer): Uncomment these variables before running the sample.
+   */
+  /**
+   *  Required. Service configuration for which we want to generate the report.
+   *  For this version of API, the supported types are
+   *  google.api.servicemanagement.v1.ConfigRef google.api.servicemanagement.v1.ConfigRef,
+   *  google.api.servicemanagement.v1.ConfigSource google.api.servicemanagement.v1.ConfigSource,
+   *  and google.api.Service google.api.Service
+   */
+  // const newConfig = {}
+  /**
+   *  Optional. Service configuration against which the comparison will be done.
+   *  For this version of API, the supported types are
+   *  google.api.servicemanagement.v1.ConfigRef google.api.servicemanagement.v1.ConfigRef,
+   *  google.api.servicemanagement.v1.ConfigSource google.api.servicemanagement.v1.ConfigSource,
+   *  and google.api.Service google.api.Service
+   */
+  // const oldConfig = {}
+
+  // Imports the Servicemanagement library
+  const {ServiceManagerClient} = require('@google-cloud/service-management').v1;
+
+  // Instantiates a client
+  const servicemanagementClient = new ServiceManagerClient();
+
+  async function callGenerateConfigReport() {
+    // Construct request
+    const request = {
+      newConfig,
+    };
+
+    // Run request
+    const response = await servicemanagementClient.generateConfigReport(
+      request
+    );
+    console.log(response);
+  }
+
+  callGenerateConfigReport();
+  // [END servicemanagement_v1_generated_ServiceManager_GenerateConfigReport_async]
+}
+
+process.on('unhandledRejection', err => {
+  console.error(err.message);
+  process.exitCode = 1;
+});
+main(...process.argv.slice(2));
diff --git a/packages/google-api-servicemanagement/samples/generated/v1/service_manager.get_service.js b/packages/google-api-servicemanagement/samples/generated/v1/service_manager.get_service.js
new file mode 100644
index 00000000000..d27f3b33ea9
--- /dev/null
+++ b/packages/google-api-servicemanagement/samples/generated/v1/service_manager.get_service.js
@@ -0,0 +1,53 @@
+// Copyright 2021 Google LLC
+//
+// 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.
+
+'use strict';
+
+function main(serviceName) {
+  // [START servicemanagement_v1_generated_ServiceManager_GetService_async]
+  /**
+   * TODO(developer): Uncomment these variables before running the sample.
+   */
+  /**
+   *  Required. The name of the service.  See the `ServiceManager` overview for naming
+   *  requirements.  For example: `example.googleapis.com`.
+   */
+  // const serviceName = 'abc123'
+
+  // Imports the Servicemanagement library
+  const {ServiceManagerClient} = require('@google-cloud/service-management').v1;
+
+  // Instantiates a client
+  const servicemanagementClient = new ServiceManagerClient();
+
+  async function callGetService() {
+    // Construct request
+    const request = {
+      serviceName,
+    };
+
+    // Run request
+    const response = await servicemanagementClient.getService(request);
+    console.log(response);
+  }
+
+  callGetService();
+  // [END servicemanagement_v1_generated_ServiceManager_GetService_async]
+}
+
+process.on('unhandledRejection', err => {
+  console.error(err.message);
+  process.exitCode = 1;
+});
+main(...process.argv.slice(2));
diff --git a/packages/google-api-servicemanagement/samples/generated/v1/service_manager.get_service_config.js b/packages/google-api-servicemanagement/samples/generated/v1/service_manager.get_service_config.js
new file mode 100644
index 00000000000..c81fcf3392a
--- /dev/null
+++ b/packages/google-api-servicemanagement/samples/generated/v1/service_manager.get_service_config.js
@@ -0,0 +1,65 @@
+// Copyright 2021 Google LLC
+//
+// 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.
+
+'use strict';
+
+function main(serviceName, configId) {
+  // [START servicemanagement_v1_generated_ServiceManager_GetServiceConfig_async]
+  /**
+   * TODO(developer): Uncomment these variables before running the sample.
+   */
+  /**
+   *  Required. The name of the service.  See the overview (https://cloud.google.com/service-management/overview)
+   *  for naming requirements.  For example: `example.googleapis.com`.
+   */
+  // const serviceName = 'abc123'
+  /**
+   *  Required. The id of the service configuration resource.
+   *  This field must be specified for the server to return all fields, including
+   *  `SourceInfo`.
+   */
+  // const configId = 'abc123'
+  /**
+   *  Specifies which parts of the Service Config should be returned in the
+   *  response.
+   */
+  // const view = {}
+
+  // Imports the Servicemanagement library
+  const {ServiceManagerClient} = require('@google-cloud/service-management').v1;
+
+  // Instantiates a client
+  const servicemanagementClient = new ServiceManagerClient();
+
+  async function callGetServiceConfig() {
+    // Construct request
+    const request = {
+      serviceName,
+      configId,
+    };
+
+    // Run request
+    const response = await servicemanagementClient.getServiceConfig(request);
+    console.log(response);
+  }
+
+  callGetServiceConfig();
+  // [END servicemanagement_v1_generated_ServiceManager_GetServiceConfig_async]
+}
+
+process.on('unhandledRejection', err => {
+  console.error(err.message);
+  process.exitCode = 1;
+});
+main(...process.argv.slice(2));
diff --git a/packages/google-api-servicemanagement/samples/generated/v1/service_manager.get_service_rollout.js b/packages/google-api-servicemanagement/samples/generated/v1/service_manager.get_service_rollout.js
new file mode 100644
index 00000000000..368704d34bd
--- /dev/null
+++ b/packages/google-api-servicemanagement/samples/generated/v1/service_manager.get_service_rollout.js
@@ -0,0 +1,58 @@
+// Copyright 2021 Google LLC
+//
+// 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.
+
+'use strict';
+
+function main(serviceName, rolloutId) {
+  // [START servicemanagement_v1_generated_ServiceManager_GetServiceRollout_async]
+  /**
+   * TODO(developer): Uncomment these variables before running the sample.
+   */
+  /**
+   *  Required. The name of the service.  See the overview (https://cloud.google.com/service-management/overview)
+   *  for naming requirements.  For example: `example.googleapis.com`.
+   */
+  // const serviceName = 'abc123'
+  /**
+   *  Required. The id of the rollout resource.
+   */
+  // const rolloutId = 'abc123'
+
+  // Imports the Servicemanagement library
+  const {ServiceManagerClient} = require('@google-cloud/service-management').v1;
+
+  // Instantiates a client
+  const servicemanagementClient = new ServiceManagerClient();
+
+  async function callGetServiceRollout() {
+    // Construct request
+    const request = {
+      serviceName,
+      rolloutId,
+    };
+
+    // Run request
+    const response = await servicemanagementClient.getServiceRollout(request);
+    console.log(response);
+  }
+
+  callGetServiceRollout();
+  // [END servicemanagement_v1_generated_ServiceManager_GetServiceRollout_async]
+}
+
+process.on('unhandledRejection', err => {
+  console.error(err.message);
+  process.exitCode = 1;
+});
+main(...process.argv.slice(2));
diff --git a/packages/google-api-servicemanagement/samples/generated/v1/service_manager.list_service_configs.js b/packages/google-api-servicemanagement/samples/generated/v1/service_manager.list_service_configs.js
new file mode 100644
index 00000000000..51cfa2a7c00
--- /dev/null
+++ b/packages/google-api-servicemanagement/samples/generated/v1/service_manager.list_service_configs.js
@@ -0,0 +1,66 @@
+// Copyright 2021 Google LLC
+//
+// 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.
+
+'use strict';
+
+function main(serviceName) {
+  // [START servicemanagement_v1_generated_ServiceManager_ListServiceConfigs_async]
+  /**
+   * TODO(developer): Uncomment these variables before running the sample.
+   */
+  /**
+   *  Required. The name of the service.  See the overview (https://cloud.google.com/service-management/overview)
+   *  for naming requirements.  For example: `example.googleapis.com`.
+   */
+  // const serviceName = 'abc123'
+  /**
+   *  The token of the page to retrieve.
+   */
+  // const pageToken = 'abc123'
+  /**
+   *  The max number of items to include in the response list. Page size is 50
+   *  if not specified. Maximum value is 100.
+   */
+  // const pageSize = 1234
+
+  // Imports the Servicemanagement library
+  const {ServiceManagerClient} = require('@google-cloud/service-management').v1;
+
+  // Instantiates a client
+  const servicemanagementClient = new ServiceManagerClient();
+
+  async function callListServiceConfigs() {
+    // Construct request
+    const request = {
+      serviceName,
+    };
+
+    // Run request
+    const iterable = await servicemanagementClient.listServiceConfigsAsync(
+      request
+    );
+    for await (const response of iterable) {
+      console.log(response);
+    }
+  }
+
+  callListServiceConfigs();
+  // [END servicemanagement_v1_generated_ServiceManager_ListServiceConfigs_async]
+}
+
+process.on('unhandledRejection', err => {
+  console.error(err.message);
+  process.exitCode = 1;
+});
+main(...process.argv.slice(2));
diff --git a/packages/google-api-servicemanagement/samples/generated/v1/service_manager.list_service_rollouts.js b/packages/google-api-servicemanagement/samples/generated/v1/service_manager.list_service_rollouts.js
new file mode 100644
index 00000000000..a721153f523
--- /dev/null
+++ b/packages/google-api-servicemanagement/samples/generated/v1/service_manager.list_service_rollouts.js
@@ -0,0 +1,78 @@
+// Copyright 2021 Google LLC
+//
+// 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.
+
+'use strict';
+
+function main(serviceName, filter) {
+  // [START servicemanagement_v1_generated_ServiceManager_ListServiceRollouts_async]
+  /**
+   * TODO(developer): Uncomment these variables before running the sample.
+   */
+  /**
+   *  Required. The name of the service.  See the overview (https://cloud.google.com/service-management/overview)
+   *  for naming requirements.  For example: `example.googleapis.com`.
+   */
+  // const serviceName = 'abc123'
+  /**
+   *  The token of the page to retrieve.
+   */
+  // const pageToken = 'abc123'
+  /**
+   *  The max number of items to include in the response list. Page size is 50
+   *  if not specified. Maximum value is 100.
+   */
+  // const pageSize = 1234
+  /**
+   *  Required. Use `filter` to return subset of rollouts.
+   *  The following filters are supported:
+   *    -- To limit the results to only those in
+   *       status (google.api.servicemanagement.v1.RolloutStatus) 'SUCCESS',
+   *       use filter='status=SUCCESS'
+   *    -- To limit the results to those in
+   *       status (google.api.servicemanagement.v1.RolloutStatus) 'CANCELLED'
+   *       or 'FAILED', use filter='status=CANCELLED OR status=FAILED'
+   */
+  // const filter = 'abc123'
+
+  // Imports the Servicemanagement library
+  const {ServiceManagerClient} = require('@google-cloud/service-management').v1;
+
+  // Instantiates a client
+  const servicemanagementClient = new ServiceManagerClient();
+
+  async function callListServiceRollouts() {
+    // Construct request
+    const request = {
+      serviceName,
+      filter,
+    };
+
+    // Run request
+    const iterable = await servicemanagementClient.listServiceRolloutsAsync(
+      request
+    );
+    for await (const response of iterable) {
+      console.log(response);
+    }
+  }
+
+  callListServiceRollouts();
+  // [END servicemanagement_v1_generated_ServiceManager_ListServiceRollouts_async]
+}
+
+process.on('unhandledRejection', err => {
+  console.error(err.message);
+  process.exitCode = 1;
+});
+main(...process.argv.slice(2));
diff --git a/packages/google-api-servicemanagement/samples/generated/v1/service_manager.list_services.js b/packages/google-api-servicemanagement/samples/generated/v1/service_manager.list_services.js
new file mode 100644
index 00000000000..1c1257af881
--- /dev/null
+++ b/packages/google-api-servicemanagement/samples/generated/v1/service_manager.list_services.js
@@ -0,0 +1,69 @@
+// Copyright 2021 Google LLC
+//
+// 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.
+
+'use strict';
+
+function main() {
+  // [START servicemanagement_v1_generated_ServiceManager_ListServices_async]
+  /**
+   * TODO(developer): Uncomment these variables before running the sample.
+   */
+  /**
+   *  Include services produced by the specified project.
+   */
+  // const producerProjectId = 'abc123'
+  /**
+   *  The max number of items to include in the response list. Page size is 50
+   *  if not specified. Maximum value is 100.
+   */
+  // const pageSize = 1234
+  /**
+   *  Token identifying which result to start with; returned by a previous list
+   *  call.
+   */
+  // const pageToken = 'abc123'
+  /**
+   *  Include services consumed by the specified consumer.
+   *  The Google Service Management implementation accepts the following
+   *  forms:
+   *  - project:<project_id>
+   */
+  // const consumerId = 'abc123'
+
+  // Imports the Servicemanagement library
+  const {ServiceManagerClient} = require('@google-cloud/service-management').v1;
+
+  // Instantiates a client
+  const servicemanagementClient = new ServiceManagerClient();
+
+  async function callListServices() {
+    // Construct request
+    const request = {};
+
+    // Run request
+    const iterable = await servicemanagementClient.listServicesAsync(request);
+    for await (const response of iterable) {
+      console.log(response);
+    }
+  }
+
+  callListServices();
+  // [END servicemanagement_v1_generated_ServiceManager_ListServices_async]
+}
+
+process.on('unhandledRejection', err => {
+  console.error(err.message);
+  process.exitCode = 1;
+});
+main(...process.argv.slice(2));
diff --git a/packages/google-api-servicemanagement/samples/generated/v1/service_manager.submit_config_source.js b/packages/google-api-servicemanagement/samples/generated/v1/service_manager.submit_config_source.js
new file mode 100644
index 00000000000..f43d86d8d14
--- /dev/null
+++ b/packages/google-api-servicemanagement/samples/generated/v1/service_manager.submit_config_source.js
@@ -0,0 +1,67 @@
+// Copyright 2021 Google LLC
+//
+// 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.
+
+'use strict';
+
+function main(serviceName, configSource) {
+  // [START servicemanagement_v1_generated_ServiceManager_SubmitConfigSource_async]
+  /**
+   * TODO(developer): Uncomment these variables before running the sample.
+   */
+  /**
+   *  Required. The name of the service.  See the overview (https://cloud.google.com/service-management/overview)
+   *  for naming requirements.  For example: `example.googleapis.com`.
+   */
+  // const serviceName = 'abc123'
+  /**
+   *  Required. The source configuration for the service.
+   */
+  // const configSource = {}
+  /**
+   *  Optional. If set, this will result in the generation of a
+   *  `google.api.Service` configuration based on the `ConfigSource` provided,
+   *  but the generated config and the sources will NOT be persisted.
+   */
+  // const validateOnly = true
+
+  // Imports the Servicemanagement library
+  const {ServiceManagerClient} = require('@google-cloud/service-management').v1;
+
+  // Instantiates a client
+  const servicemanagementClient = new ServiceManagerClient();
+
+  async function callSubmitConfigSource() {
+    // Construct request
+    const request = {
+      serviceName,
+      configSource,
+    };
+
+    // Run request
+    const [operation] = await servicemanagementClient.submitConfigSource(
+      request
+    );
+    const [response] = await operation.promise();
+    console.log(response);
+  }
+
+  callSubmitConfigSource();
+  // [END servicemanagement_v1_generated_ServiceManager_SubmitConfigSource_async]
+}
+
+process.on('unhandledRejection', err => {
+  console.error(err.message);
+  process.exitCode = 1;
+});
+main(...process.argv.slice(2));
diff --git a/packages/google-api-servicemanagement/samples/generated/v1/service_manager.undelete_service.js b/packages/google-api-servicemanagement/samples/generated/v1/service_manager.undelete_service.js
new file mode 100644
index 00000000000..4e2ec50a874
--- /dev/null
+++ b/packages/google-api-servicemanagement/samples/generated/v1/service_manager.undelete_service.js
@@ -0,0 +1,54 @@
+// Copyright 2021 Google LLC
+//
+// 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.
+
+'use strict';
+
+function main(serviceName) {
+  // [START servicemanagement_v1_generated_ServiceManager_UndeleteService_async]
+  /**
+   * TODO(developer): Uncomment these variables before running the sample.
+   */
+  /**
+   *  Required. The name of the service. See the overview (https://cloud.google.com/service-management/overview)
+   *  for naming requirements. For example: `example.googleapis.com`.
+   */
+  // const serviceName = 'abc123'
+
+  // Imports the Servicemanagement library
+  const {ServiceManagerClient} = require('@google-cloud/service-management').v1;
+
+  // Instantiates a client
+  const servicemanagementClient = new ServiceManagerClient();
+
+  async function callUndeleteService() {
+    // Construct request
+    const request = {
+      serviceName,
+    };
+
+    // Run request
+    const [operation] = await servicemanagementClient.undeleteService(request);
+    const [response] = await operation.promise();
+    console.log(response);
+  }
+
+  callUndeleteService();
+  // [END servicemanagement_v1_generated_ServiceManager_UndeleteService_async]
+}
+
+process.on('unhandledRejection', err => {
+  console.error(err.message);
+  process.exitCode = 1;
+});
+main(...process.argv.slice(2));
diff --git a/packages/google-api-servicemanagement/src/v1/service_manager_client.ts b/packages/google-api-servicemanagement/src/v1/service_manager_client.ts
index 8827794a273..b2fadeae40c 100644
--- a/packages/google-api-servicemanagement/src/v1/service_manager_client.ts
+++ b/packages/google-api-servicemanagement/src/v1/service_manager_client.ts
@@ -430,6 +430,25 @@ export class ServiceManagerClient {
   // -------------------
   // -- Service calls --
   // -------------------
+  /**
+   * Gets a managed service. Authentication is required unless the service is
+   * public.
+   *
+   * @param {Object} request
+   *   The request object that will be sent.
+   * @param {string} request.serviceName
+   *   Required. The name of the service.  See the `ServiceManager` overview for naming
+   *   requirements.  For example: `example.googleapis.com`.
+   * @param {object} [options]
+   *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
+   * @returns {Promise} - The promise which resolves to an array.
+   *   The first element of the array is an object representing [ManagedService]{@link google.api.servicemanagement.v1.ManagedService}.
+   *   Please see the
+   *   [documentation](https://github.com/googleapis/gax-nodejs/blob/master/client-libraries.md#regular-methods)
+   *   for more details and examples.
+   * @example <caption>include:samples/generated/v1/service_manager.get_service.js</caption>
+   * region_tag:servicemanagement_v1_generated_ServiceManager_GetService_async
+   */
   getService(
     request?: protos.google.api.servicemanagement.v1.IGetServiceRequest,
     options?: CallOptions
@@ -461,25 +480,6 @@ export class ServiceManagerClient {
       {} | null | undefined
     >
   ): void;
-  /**
-   * Gets a managed service. Authentication is required unless the service is
-   * public.
-   *
-   * @param {Object} request
-   *   The request object that will be sent.
-   * @param {string} request.serviceName
-   *   Required. The name of the service.  See the `ServiceManager` overview for naming
-   *   requirements.  For example: `example.googleapis.com`.
-   * @param {object} [options]
-   *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
-   * @returns {Promise} - The promise which resolves to an array.
-   *   The first element of the array is an object representing [ManagedService]{@link google.api.servicemanagement.v1.ManagedService}.
-   *   Please see the
-   *   [documentation](https://github.com/googleapis/gax-nodejs/blob/master/client-libraries.md#regular-methods)
-   *   for more details and examples.
-   * @example
-   * const [response] = await client.getService(request);
-   */
   getService(
     request?: protos.google.api.servicemanagement.v1.IGetServiceRequest,
     optionsOrCallback?:
@@ -523,6 +523,32 @@ export class ServiceManagerClient {
     this.initialize();
     return this.innerApiCalls.getService(request, options, callback);
   }
+  /**
+   * Gets a service configuration (version) for a managed service.
+   *
+   * @param {Object} request
+   *   The request object that will be sent.
+   * @param {string} request.serviceName
+   *   Required. The name of the service.  See the [overview](https://cloud.google.com/service-management/overview)
+   *   for naming requirements.  For example: `example.googleapis.com`.
+   * @param {string} request.configId
+   *   Required. The id of the service configuration resource.
+   *
+   *   This field must be specified for the server to return all fields, including
+   *   `SourceInfo`.
+   * @param {google.api.servicemanagement.v1.GetServiceConfigRequest.ConfigView} request.view
+   *   Specifies which parts of the Service Config should be returned in the
+   *   response.
+   * @param {object} [options]
+   *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
+   * @returns {Promise} - The promise which resolves to an array.
+   *   The first element of the array is an object representing [Service]{@link google.api.Service}.
+   *   Please see the
+   *   [documentation](https://github.com/googleapis/gax-nodejs/blob/master/client-libraries.md#regular-methods)
+   *   for more details and examples.
+   * @example <caption>include:samples/generated/v1/service_manager.get_service_config.js</caption>
+   * region_tag:servicemanagement_v1_generated_ServiceManager_GetServiceConfig_async
+   */
   getServiceConfig(
     request?: protos.google.api.servicemanagement.v1.IGetServiceConfigRequest,
     options?: CallOptions
@@ -557,32 +583,6 @@ export class ServiceManagerClient {
       {} | null | undefined
     >
   ): void;
-  /**
-   * Gets a service configuration (version) for a managed service.
-   *
-   * @param {Object} request
-   *   The request object that will be sent.
-   * @param {string} request.serviceName
-   *   Required. The name of the service.  See the [overview](https://cloud.google.com/service-management/overview)
-   *   for naming requirements.  For example: `example.googleapis.com`.
-   * @param {string} request.configId
-   *   Required. The id of the service configuration resource.
-   *
-   *   This field must be specified for the server to return all fields, including
-   *   `SourceInfo`.
-   * @param {google.api.servicemanagement.v1.GetServiceConfigRequest.ConfigView} request.view
-   *   Specifies which parts of the Service Config should be returned in the
-   *   response.
-   * @param {object} [options]
-   *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
-   * @returns {Promise} - The promise which resolves to an array.
-   *   The first element of the array is an object representing [Service]{@link google.api.Service}.
-   *   Please see the
-   *   [documentation](https://github.com/googleapis/gax-nodejs/blob/master/client-libraries.md#regular-methods)
-   *   for more details and examples.
-   * @example
-   * const [response] = await client.getServiceConfig(request);
-   */
   getServiceConfig(
     request?: protos.google.api.servicemanagement.v1.IGetServiceConfigRequest,
     optionsOrCallback?:
@@ -629,6 +629,33 @@ export class ServiceManagerClient {
     this.initialize();
     return this.innerApiCalls.getServiceConfig(request, options, callback);
   }
+  /**
+   * Creates a new service configuration (version) for a managed service.
+   * This method only stores the service configuration. To roll out the service
+   * configuration to backend systems please call
+   * {@link google.api.servicemanagement.v1.ServiceManager.CreateServiceRollout|CreateServiceRollout}.
+   *
+   * Only the 100 most recent service configurations and ones referenced by
+   * existing rollouts are kept for each service. The rest will be deleted
+   * eventually.
+   *
+   * @param {Object} request
+   *   The request object that will be sent.
+   * @param {string} request.serviceName
+   *   Required. The name of the service.  See the [overview](https://cloud.google.com/service-management/overview)
+   *   for naming requirements.  For example: `example.googleapis.com`.
+   * @param {google.api.Service} request.serviceConfig
+   *   Required. The service configuration resource.
+   * @param {object} [options]
+   *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
+   * @returns {Promise} - The promise which resolves to an array.
+   *   The first element of the array is an object representing [Service]{@link google.api.Service}.
+   *   Please see the
+   *   [documentation](https://github.com/googleapis/gax-nodejs/blob/master/client-libraries.md#regular-methods)
+   *   for more details and examples.
+   * @example <caption>include:samples/generated/v1/service_manager.create_service_config.js</caption>
+   * region_tag:servicemanagement_v1_generated_ServiceManager_CreateServiceConfig_async
+   */
   createServiceConfig(
     request?: protos.google.api.servicemanagement.v1.ICreateServiceConfigRequest,
     options?: CallOptions
@@ -663,33 +690,6 @@ export class ServiceManagerClient {
       {} | null | undefined
     >
   ): void;
-  /**
-   * Creates a new service configuration (version) for a managed service.
-   * This method only stores the service configuration. To roll out the service
-   * configuration to backend systems please call
-   * {@link google.api.servicemanagement.v1.ServiceManager.CreateServiceRollout|CreateServiceRollout}.
-   *
-   * Only the 100 most recent service configurations and ones referenced by
-   * existing rollouts are kept for each service. The rest will be deleted
-   * eventually.
-   *
-   * @param {Object} request
-   *   The request object that will be sent.
-   * @param {string} request.serviceName
-   *   Required. The name of the service.  See the [overview](https://cloud.google.com/service-management/overview)
-   *   for naming requirements.  For example: `example.googleapis.com`.
-   * @param {google.api.Service} request.serviceConfig
-   *   Required. The service configuration resource.
-   * @param {object} [options]
-   *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
-   * @returns {Promise} - The promise which resolves to an array.
-   *   The first element of the array is an object representing [Service]{@link google.api.Service}.
-   *   Please see the
-   *   [documentation](https://github.com/googleapis/gax-nodejs/blob/master/client-libraries.md#regular-methods)
-   *   for more details and examples.
-   * @example
-   * const [response] = await client.createServiceConfig(request);
-   */
   createServiceConfig(
     request?: protos.google.api.servicemanagement.v1.ICreateServiceConfigRequest,
     optionsOrCallback?:
@@ -736,6 +736,26 @@ export class ServiceManagerClient {
     this.initialize();
     return this.innerApiCalls.createServiceConfig(request, options, callback);
   }
+  /**
+   * Gets a service configuration {@link google.api.servicemanagement.v1.Rollout|rollout}.
+   *
+   * @param {Object} request
+   *   The request object that will be sent.
+   * @param {string} request.serviceName
+   *   Required. The name of the service.  See the [overview](https://cloud.google.com/service-management/overview)
+   *   for naming requirements.  For example: `example.googleapis.com`.
+   * @param {string} request.rolloutId
+   *   Required. The id of the rollout resource.
+   * @param {object} [options]
+   *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
+   * @returns {Promise} - The promise which resolves to an array.
+   *   The first element of the array is an object representing [Rollout]{@link google.api.servicemanagement.v1.Rollout}.
+   *   Please see the
+   *   [documentation](https://github.com/googleapis/gax-nodejs/blob/master/client-libraries.md#regular-methods)
+   *   for more details and examples.
+   * @example <caption>include:samples/generated/v1/service_manager.get_service_rollout.js</caption>
+   * region_tag:servicemanagement_v1_generated_ServiceManager_GetServiceRollout_async
+   */
   getServiceRollout(
     request?: protos.google.api.servicemanagement.v1.IGetServiceRolloutRequest,
     options?: CallOptions
@@ -770,26 +790,6 @@ export class ServiceManagerClient {
       {} | null | undefined
     >
   ): void;
-  /**
-   * Gets a service configuration {@link google.api.servicemanagement.v1.Rollout|rollout}.
-   *
-   * @param {Object} request
-   *   The request object that will be sent.
-   * @param {string} request.serviceName
-   *   Required. The name of the service.  See the [overview](https://cloud.google.com/service-management/overview)
-   *   for naming requirements.  For example: `example.googleapis.com`.
-   * @param {string} request.rolloutId
-   *   Required. The id of the rollout resource.
-   * @param {object} [options]
-   *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
-   * @returns {Promise} - The promise which resolves to an array.
-   *   The first element of the array is an object representing [Rollout]{@link google.api.servicemanagement.v1.Rollout}.
-   *   Please see the
-   *   [documentation](https://github.com/googleapis/gax-nodejs/blob/master/client-libraries.md#regular-methods)
-   *   for more details and examples.
-   * @example
-   * const [response] = await client.getServiceRollout(request);
-   */
   getServiceRollout(
     request?: protos.google.api.servicemanagement.v1.IGetServiceRolloutRequest,
     optionsOrCallback?:
@@ -836,40 +836,6 @@ export class ServiceManagerClient {
     this.initialize();
     return this.innerApiCalls.getServiceRollout(request, options, callback);
   }
-  generateConfigReport(
-    request?: protos.google.api.servicemanagement.v1.IGenerateConfigReportRequest,
-    options?: CallOptions
-  ): Promise<
-    [
-      protos.google.api.servicemanagement.v1.IGenerateConfigReportResponse,
-      (
-        | protos.google.api.servicemanagement.v1.IGenerateConfigReportRequest
-        | undefined
-      ),
-      {} | undefined
-    ]
-  >;
-  generateConfigReport(
-    request: protos.google.api.servicemanagement.v1.IGenerateConfigReportRequest,
-    options: CallOptions,
-    callback: Callback<
-      protos.google.api.servicemanagement.v1.IGenerateConfigReportResponse,
-      | protos.google.api.servicemanagement.v1.IGenerateConfigReportRequest
-      | null
-      | undefined,
-      {} | null | undefined
-    >
-  ): void;
-  generateConfigReport(
-    request: protos.google.api.servicemanagement.v1.IGenerateConfigReportRequest,
-    callback: Callback<
-      protos.google.api.servicemanagement.v1.IGenerateConfigReportResponse,
-      | protos.google.api.servicemanagement.v1.IGenerateConfigReportRequest
-      | null
-      | undefined,
-      {} | null | undefined
-    >
-  ): void;
   /**
    * Generates and returns a report (errors, warnings and changes from
    * existing configurations) associated with
@@ -904,9 +870,43 @@ export class ServiceManagerClient {
    *   Please see the
    *   [documentation](https://github.com/googleapis/gax-nodejs/blob/master/client-libraries.md#regular-methods)
    *   for more details and examples.
-   * @example
-   * const [response] = await client.generateConfigReport(request);
+   * @example <caption>include:samples/generated/v1/service_manager.generate_config_report.js</caption>
+   * region_tag:servicemanagement_v1_generated_ServiceManager_GenerateConfigReport_async
    */
+  generateConfigReport(
+    request?: protos.google.api.servicemanagement.v1.IGenerateConfigReportRequest,
+    options?: CallOptions
+  ): Promise<
+    [
+      protos.google.api.servicemanagement.v1.IGenerateConfigReportResponse,
+      (
+        | protos.google.api.servicemanagement.v1.IGenerateConfigReportRequest
+        | undefined
+      ),
+      {} | undefined
+    ]
+  >;
+  generateConfigReport(
+    request: protos.google.api.servicemanagement.v1.IGenerateConfigReportRequest,
+    options: CallOptions,
+    callback: Callback<
+      protos.google.api.servicemanagement.v1.IGenerateConfigReportResponse,
+      | protos.google.api.servicemanagement.v1.IGenerateConfigReportRequest
+      | null
+      | undefined,
+      {} | null | undefined
+    >
+  ): void;
+  generateConfigReport(
+    request: protos.google.api.servicemanagement.v1.IGenerateConfigReportRequest,
+    callback: Callback<
+      protos.google.api.servicemanagement.v1.IGenerateConfigReportResponse,
+      | protos.google.api.servicemanagement.v1.IGenerateConfigReportRequest
+      | null
+      | undefined,
+      {} | null | undefined
+    >
+  ): void;
   generateConfigReport(
     request?: protos.google.api.servicemanagement.v1.IGenerateConfigReportRequest,
     optionsOrCallback?:
@@ -944,10 +944,34 @@ export class ServiceManagerClient {
       options = optionsOrCallback as CallOptions;
     }
     options = options || {};
+    options.otherArgs = options.otherArgs || {};
+    options.otherArgs.headers = options.otherArgs.headers || {};
     this.initialize();
     return this.innerApiCalls.generateConfigReport(request, options, callback);
   }
 
+  /**
+   * Creates a new managed service.
+   * Please note one producer project can own no more than 20 services.
+   *
+   * Operation<response: ManagedService>
+   *
+   * @param {Object} request
+   *   The request object that will be sent.
+   * @param {google.api.servicemanagement.v1.ManagedService} request.service
+   *   Required. Initial values for the service resource.
+   * @param {object} [options]
+   *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
+   * @returns {Promise} - The promise which resolves to an array.
+   *   The first element of the array is an object representing
+   *   a long running operation. Its `promise()` method returns a promise
+   *   you can `await` for.
+   *   Please see the
+   *   [documentation](https://github.com/googleapis/gax-nodejs/blob/master/client-libraries.md#long-running-operations)
+   *   for more details and examples.
+   * @example <caption>include:samples/generated/v1/service_manager.create_service.js</caption>
+   * region_tag:servicemanagement_v1_generated_ServiceManager_CreateService_async
+   */
   createService(
     request?: protos.google.api.servicemanagement.v1.ICreateServiceRequest,
     options?: CallOptions
@@ -984,29 +1008,6 @@ export class ServiceManagerClient {
       {} | null | undefined
     >
   ): void;
-  /**
-   * Creates a new managed service.
-   * Please note one producer project can own no more than 20 services.
-   *
-   * Operation<response: ManagedService>
-   *
-   * @param {Object} request
-   *   The request object that will be sent.
-   * @param {google.api.servicemanagement.v1.ManagedService} request.service
-   *   Required. Initial values for the service resource.
-   * @param {object} [options]
-   *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
-   * @returns {Promise} - The promise which resolves to an array.
-   *   The first element of the array is an object representing
-   *   a long running operation. Its `promise()` method returns a promise
-   *   you can `await` for.
-   *   Please see the
-   *   [documentation](https://github.com/googleapis/gax-nodejs/blob/master/client-libraries.md#long-running-operations)
-   *   for more details and examples.
-   * @example
-   * const [operation] = await client.createService(request);
-   * const [response] = await operation.promise();
-   */
   createService(
     request?: protos.google.api.servicemanagement.v1.ICreateServiceRequest,
     optionsOrCallback?:
@@ -1046,6 +1047,8 @@ export class ServiceManagerClient {
       options = optionsOrCallback as CallOptions;
     }
     options = options || {};
+    options.otherArgs = options.otherArgs || {};
+    options.otherArgs.headers = options.otherArgs.headers || {};
     this.initialize();
     return this.innerApiCalls.createService(request, options, callback);
   }
@@ -1058,11 +1061,8 @@ export class ServiceManagerClient {
    *   Please see the
    *   [documentation](https://github.com/googleapis/gax-nodejs/blob/master/client-libraries.md#long-running-operations)
    *   for more details and examples.
-   * @example
-   * const decodedOperation = await checkCreateServiceProgress(name);
-   * console.log(decodedOperation.result);
-   * console.log(decodedOperation.done);
-   * console.log(decodedOperation.metadata);
+   * @example <caption>include:samples/generated/v1/service_manager.create_service.js</caption>
+   * region_tag:servicemanagement_v1_generated_ServiceManager_CreateService_async
    */
   async checkCreateServiceProgress(
     name: string
@@ -1086,6 +1086,31 @@ export class ServiceManagerClient {
       protos.google.api.servicemanagement.v1.OperationMetadata
     >;
   }
+  /**
+   * Deletes a managed service. This method will change the service to the
+   * `Soft-Delete` state for 30 days. Within this period, service producers may
+   * call {@link google.api.servicemanagement.v1.ServiceManager.UndeleteService|UndeleteService} to restore the service.
+   * After 30 days, the service will be permanently deleted.
+   *
+   * Operation<response: google.protobuf.Empty>
+   *
+   * @param {Object} request
+   *   The request object that will be sent.
+   * @param {string} request.serviceName
+   *   Required. The name of the service.  See the [overview](https://cloud.google.com/service-management/overview)
+   *   for naming requirements.  For example: `example.googleapis.com`.
+   * @param {object} [options]
+   *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
+   * @returns {Promise} - The promise which resolves to an array.
+   *   The first element of the array is an object representing
+   *   a long running operation. Its `promise()` method returns a promise
+   *   you can `await` for.
+   *   Please see the
+   *   [documentation](https://github.com/googleapis/gax-nodejs/blob/master/client-libraries.md#long-running-operations)
+   *   for more details and examples.
+   * @example <caption>include:samples/generated/v1/service_manager.delete_service.js</caption>
+   * region_tag:servicemanagement_v1_generated_ServiceManager_DeleteService_async
+   */
   deleteService(
     request?: protos.google.api.servicemanagement.v1.IDeleteServiceRequest,
     options?: CallOptions
@@ -1119,35 +1144,9 @@ export class ServiceManagerClient {
         protos.google.api.servicemanagement.v1.IOperationMetadata
       >,
       protos.google.longrunning.IOperation | null | undefined,
-      {} | null | undefined
-    >
-  ): void;
-  /**
-   * Deletes a managed service. This method will change the service to the
-   * `Soft-Delete` state for 30 days. Within this period, service producers may
-   * call {@link google.api.servicemanagement.v1.ServiceManager.UndeleteService|UndeleteService} to restore the service.
-   * After 30 days, the service will be permanently deleted.
-   *
-   * Operation<response: google.protobuf.Empty>
-   *
-   * @param {Object} request
-   *   The request object that will be sent.
-   * @param {string} request.serviceName
-   *   Required. The name of the service.  See the [overview](https://cloud.google.com/service-management/overview)
-   *   for naming requirements.  For example: `example.googleapis.com`.
-   * @param {object} [options]
-   *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
-   * @returns {Promise} - The promise which resolves to an array.
-   *   The first element of the array is an object representing
-   *   a long running operation. Its `promise()` method returns a promise
-   *   you can `await` for.
-   *   Please see the
-   *   [documentation](https://github.com/googleapis/gax-nodejs/blob/master/client-libraries.md#long-running-operations)
-   *   for more details and examples.
-   * @example
-   * const [operation] = await client.deleteService(request);
-   * const [response] = await operation.promise();
-   */
+      {} | null | undefined
+    >
+  ): void;
   deleteService(
     request?: protos.google.api.servicemanagement.v1.IDeleteServiceRequest,
     optionsOrCallback?:
@@ -1205,11 +1204,8 @@ export class ServiceManagerClient {
    *   Please see the
    *   [documentation](https://github.com/googleapis/gax-nodejs/blob/master/client-libraries.md#long-running-operations)
    *   for more details and examples.
-   * @example
-   * const decodedOperation = await checkDeleteServiceProgress(name);
-   * console.log(decodedOperation.result);
-   * console.log(decodedOperation.done);
-   * console.log(decodedOperation.metadata);
+   * @example <caption>include:samples/generated/v1/service_manager.delete_service.js</caption>
+   * region_tag:servicemanagement_v1_generated_ServiceManager_DeleteService_async
    */
   async checkDeleteServiceProgress(
     name: string
@@ -1233,6 +1229,31 @@ export class ServiceManagerClient {
       protos.google.api.servicemanagement.v1.OperationMetadata
     >;
   }
+  /**
+   * Revives a previously deleted managed service. The method restores the
+   * service using the configuration at the time the service was deleted.
+   * The target service must exist and must have been deleted within the
+   * last 30 days.
+   *
+   * Operation<response: UndeleteServiceResponse>
+   *
+   * @param {Object} request
+   *   The request object that will be sent.
+   * @param {string} request.serviceName
+   *   Required. The name of the service. See the [overview](https://cloud.google.com/service-management/overview)
+   *   for naming requirements. For example: `example.googleapis.com`.
+   * @param {object} [options]
+   *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
+   * @returns {Promise} - The promise which resolves to an array.
+   *   The first element of the array is an object representing
+   *   a long running operation. Its `promise()` method returns a promise
+   *   you can `await` for.
+   *   Please see the
+   *   [documentation](https://github.com/googleapis/gax-nodejs/blob/master/client-libraries.md#long-running-operations)
+   *   for more details and examples.
+   * @example <caption>include:samples/generated/v1/service_manager.undelete_service.js</caption>
+   * region_tag:servicemanagement_v1_generated_ServiceManager_UndeleteService_async
+   */
   undeleteService(
     request?: protos.google.api.servicemanagement.v1.IUndeleteServiceRequest,
     options?: CallOptions
@@ -1269,32 +1290,6 @@ export class ServiceManagerClient {
       {} | null | undefined
     >
   ): void;
-  /**
-   * Revives a previously deleted managed service. The method restores the
-   * service using the configuration at the time the service was deleted.
-   * The target service must exist and must have been deleted within the
-   * last 30 days.
-   *
-   * Operation<response: UndeleteServiceResponse>
-   *
-   * @param {Object} request
-   *   The request object that will be sent.
-   * @param {string} request.serviceName
-   *   Required. The name of the service. See the [overview](https://cloud.google.com/service-management/overview)
-   *   for naming requirements. For example: `example.googleapis.com`.
-   * @param {object} [options]
-   *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
-   * @returns {Promise} - The promise which resolves to an array.
-   *   The first element of the array is an object representing
-   *   a long running operation. Its `promise()` method returns a promise
-   *   you can `await` for.
-   *   Please see the
-   *   [documentation](https://github.com/googleapis/gax-nodejs/blob/master/client-libraries.md#long-running-operations)
-   *   for more details and examples.
-   * @example
-   * const [operation] = await client.undeleteService(request);
-   * const [response] = await operation.promise();
-   */
   undeleteService(
     request?: protos.google.api.servicemanagement.v1.IUndeleteServiceRequest,
     optionsOrCallback?:
@@ -1352,11 +1347,8 @@ export class ServiceManagerClient {
    *   Please see the
    *   [documentation](https://github.com/googleapis/gax-nodejs/blob/master/client-libraries.md#long-running-operations)
    *   for more details and examples.
-   * @example
-   * const decodedOperation = await checkUndeleteServiceProgress(name);
-   * console.log(decodedOperation.result);
-   * console.log(decodedOperation.done);
-   * console.log(decodedOperation.metadata);
+   * @example <caption>include:samples/generated/v1/service_manager.undelete_service.js</caption>
+   * region_tag:servicemanagement_v1_generated_ServiceManager_UndeleteService_async
    */
   async checkUndeleteServiceProgress(
     name: string
@@ -1380,42 +1372,6 @@ export class ServiceManagerClient {
       protos.google.api.servicemanagement.v1.OperationMetadata
     >;
   }
-  submitConfigSource(
-    request?: protos.google.api.servicemanagement.v1.ISubmitConfigSourceRequest,
-    options?: CallOptions
-  ): Promise<
-    [
-      LROperation<
-        protos.google.api.servicemanagement.v1.ISubmitConfigSourceResponse,
-        protos.google.api.servicemanagement.v1.IOperationMetadata
-      >,
-      protos.google.longrunning.IOperation | undefined,
-      {} | undefined
-    ]
-  >;
-  submitConfigSource(
-    request: protos.google.api.servicemanagement.v1.ISubmitConfigSourceRequest,
-    options: CallOptions,
-    callback: Callback<
-      LROperation<
-        protos.google.api.servicemanagement.v1.ISubmitConfigSourceResponse,
-        protos.google.api.servicemanagement.v1.IOperationMetadata
-      >,
-      protos.google.longrunning.IOperation | null | undefined,
-      {} | null | undefined
-    >
-  ): void;
-  submitConfigSource(
-    request: protos.google.api.servicemanagement.v1.ISubmitConfigSourceRequest,
-    callback: Callback<
-      LROperation<
-        protos.google.api.servicemanagement.v1.ISubmitConfigSourceResponse,
-        protos.google.api.servicemanagement.v1.IOperationMetadata
-      >,
-      protos.google.longrunning.IOperation | null | undefined,
-      {} | null | undefined
-    >
-  ): void;
   /**
    * Creates a new service configuration (version) for a managed service based
    * on
@@ -1451,10 +1407,45 @@ export class ServiceManagerClient {
    *   Please see the
    *   [documentation](https://github.com/googleapis/gax-nodejs/blob/master/client-libraries.md#long-running-operations)
    *   for more details and examples.
-   * @example
-   * const [operation] = await client.submitConfigSource(request);
-   * const [response] = await operation.promise();
+   * @example <caption>include:samples/generated/v1/service_manager.submit_config_source.js</caption>
+   * region_tag:servicemanagement_v1_generated_ServiceManager_SubmitConfigSource_async
    */
+  submitConfigSource(
+    request?: protos.google.api.servicemanagement.v1.ISubmitConfigSourceRequest,
+    options?: CallOptions
+  ): Promise<
+    [
+      LROperation<
+        protos.google.api.servicemanagement.v1.ISubmitConfigSourceResponse,
+        protos.google.api.servicemanagement.v1.IOperationMetadata
+      >,
+      protos.google.longrunning.IOperation | undefined,
+      {} | undefined
+    ]
+  >;
+  submitConfigSource(
+    request: protos.google.api.servicemanagement.v1.ISubmitConfigSourceRequest,
+    options: CallOptions,
+    callback: Callback<
+      LROperation<
+        protos.google.api.servicemanagement.v1.ISubmitConfigSourceResponse,
+        protos.google.api.servicemanagement.v1.IOperationMetadata
+      >,
+      protos.google.longrunning.IOperation | null | undefined,
+      {} | null | undefined
+    >
+  ): void;
+  submitConfigSource(
+    request: protos.google.api.servicemanagement.v1.ISubmitConfigSourceRequest,
+    callback: Callback<
+      LROperation<
+        protos.google.api.servicemanagement.v1.ISubmitConfigSourceResponse,
+        protos.google.api.servicemanagement.v1.IOperationMetadata
+      >,
+      protos.google.longrunning.IOperation | null | undefined,
+      {} | null | undefined
+    >
+  ): void;
   submitConfigSource(
     request?: protos.google.api.servicemanagement.v1.ISubmitConfigSourceRequest,
     optionsOrCallback?:
@@ -1512,11 +1503,8 @@ export class ServiceManagerClient {
    *   Please see the
    *   [documentation](https://github.com/googleapis/gax-nodejs/blob/master/client-libraries.md#long-running-operations)
    *   for more details and examples.
-   * @example
-   * const decodedOperation = await checkSubmitConfigSourceProgress(name);
-   * console.log(decodedOperation.result);
-   * console.log(decodedOperation.done);
-   * console.log(decodedOperation.metadata);
+   * @example <caption>include:samples/generated/v1/service_manager.submit_config_source.js</caption>
+   * region_tag:servicemanagement_v1_generated_ServiceManager_SubmitConfigSource_async
    */
   async checkSubmitConfigSourceProgress(
     name: string
@@ -1540,6 +1528,41 @@ export class ServiceManagerClient {
       protos.google.api.servicemanagement.v1.OperationMetadata
     >;
   }
+  /**
+   * Creates a new service configuration rollout. Based on rollout, the
+   * Google Service Management will roll out the service configurations to
+   * different backend services. For example, the logging configuration will be
+   * pushed to Google Cloud Logging.
+   *
+   * Please note that any previous pending and running Rollouts and associated
+   * Operations will be automatically cancelled so that the latest Rollout will
+   * not be blocked by previous Rollouts.
+   *
+   * Only the 100 most recent (in any state) and the last 10 successful (if not
+   * already part of the set of 100 most recent) rollouts are kept for each
+   * service. The rest will be deleted eventually.
+   *
+   * Operation<response: Rollout>
+   *
+   * @param {Object} request
+   *   The request object that will be sent.
+   * @param {string} request.serviceName
+   *   Required. The name of the service.  See the [overview](https://cloud.google.com/service-management/overview)
+   *   for naming requirements.  For example: `example.googleapis.com`.
+   * @param {google.api.servicemanagement.v1.Rollout} request.rollout
+   *   Required. The rollout resource. The `service_name` field is output only.
+   * @param {object} [options]
+   *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
+   * @returns {Promise} - The promise which resolves to an array.
+   *   The first element of the array is an object representing
+   *   a long running operation. Its `promise()` method returns a promise
+   *   you can `await` for.
+   *   Please see the
+   *   [documentation](https://github.com/googleapis/gax-nodejs/blob/master/client-libraries.md#long-running-operations)
+   *   for more details and examples.
+   * @example <caption>include:samples/generated/v1/service_manager.create_service_rollout.js</caption>
+   * region_tag:servicemanagement_v1_generated_ServiceManager_CreateServiceRollout_async
+   */
   createServiceRollout(
     request?: protos.google.api.servicemanagement.v1.ICreateServiceRolloutRequest,
     options?: CallOptions
@@ -1576,42 +1599,6 @@ export class ServiceManagerClient {
       {} | null | undefined
     >
   ): void;
-  /**
-   * Creates a new service configuration rollout. Based on rollout, the
-   * Google Service Management will roll out the service configurations to
-   * different backend services. For example, the logging configuration will be
-   * pushed to Google Cloud Logging.
-   *
-   * Please note that any previous pending and running Rollouts and associated
-   * Operations will be automatically cancelled so that the latest Rollout will
-   * not be blocked by previous Rollouts.
-   *
-   * Only the 100 most recent (in any state) and the last 10 successful (if not
-   * already part of the set of 100 most recent) rollouts are kept for each
-   * service. The rest will be deleted eventually.
-   *
-   * Operation<response: Rollout>
-   *
-   * @param {Object} request
-   *   The request object that will be sent.
-   * @param {string} request.serviceName
-   *   Required. The name of the service.  See the [overview](https://cloud.google.com/service-management/overview)
-   *   for naming requirements.  For example: `example.googleapis.com`.
-   * @param {google.api.servicemanagement.v1.Rollout} request.rollout
-   *   Required. The rollout resource. The `service_name` field is output only.
-   * @param {object} [options]
-   *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
-   * @returns {Promise} - The promise which resolves to an array.
-   *   The first element of the array is an object representing
-   *   a long running operation. Its `promise()` method returns a promise
-   *   you can `await` for.
-   *   Please see the
-   *   [documentation](https://github.com/googleapis/gax-nodejs/blob/master/client-libraries.md#long-running-operations)
-   *   for more details and examples.
-   * @example
-   * const [operation] = await client.createServiceRollout(request);
-   * const [response] = await operation.promise();
-   */
   createServiceRollout(
     request?: protos.google.api.servicemanagement.v1.ICreateServiceRolloutRequest,
     optionsOrCallback?:
@@ -1669,11 +1656,8 @@ export class ServiceManagerClient {
    *   Please see the
    *   [documentation](https://github.com/googleapis/gax-nodejs/blob/master/client-libraries.md#long-running-operations)
    *   for more details and examples.
-   * @example
-   * const decodedOperation = await checkCreateServiceRolloutProgress(name);
-   * console.log(decodedOperation.result);
-   * console.log(decodedOperation.done);
-   * console.log(decodedOperation.metadata);
+   * @example <caption>include:samples/generated/v1/service_manager.create_service_rollout.js</caption>
+   * region_tag:servicemanagement_v1_generated_ServiceManager_CreateServiceRollout_async
    */
   async checkCreateServiceRolloutProgress(
     name: string
@@ -1697,42 +1681,6 @@ export class ServiceManagerClient {
       protos.google.api.servicemanagement.v1.OperationMetadata
     >;
   }
-  enableService(
-    request?: protos.google.api.servicemanagement.v1.IEnableServiceRequest,
-    options?: CallOptions
-  ): Promise<
-    [
-      LROperation<
-        protos.google.api.servicemanagement.v1.IEnableServiceResponse,
-        protos.google.api.servicemanagement.v1.IOperationMetadata
-      >,
-      protos.google.longrunning.IOperation | undefined,
-      {} | undefined
-    ]
-  >;
-  enableService(
-    request: protos.google.api.servicemanagement.v1.IEnableServiceRequest,
-    options: CallOptions,
-    callback: Callback<
-      LROperation<
-        protos.google.api.servicemanagement.v1.IEnableServiceResponse,
-        protos.google.api.servicemanagement.v1.IOperationMetadata
-      >,
-      protos.google.longrunning.IOperation | null | undefined,
-      {} | null | undefined
-    >
-  ): void;
-  enableService(
-    request: protos.google.api.servicemanagement.v1.IEnableServiceRequest,
-    callback: Callback<
-      LROperation<
-        protos.google.api.servicemanagement.v1.IEnableServiceResponse,
-        protos.google.api.servicemanagement.v1.IOperationMetadata
-      >,
-      protos.google.longrunning.IOperation | null | undefined,
-      {} | null | undefined
-    >
-  ): void;
   /**
    * Enables a {@link google.api.servicemanagement.v1.ManagedService|service} for a project, so it can be used
    * for the project. See
@@ -1765,11 +1713,46 @@ export class ServiceManagerClient {
    *   Please see the
    *   [documentation](https://github.com/googleapis/gax-nodejs/blob/master/client-libraries.md#long-running-operations)
    *   for more details and examples.
-   * @example
-   * const [operation] = await client.enableService(request);
-   * const [response] = await operation.promise();
+   * @example <caption>include:samples/generated/v1/service_manager.enable_service.js</caption>
+   * region_tag:servicemanagement_v1_generated_ServiceManager_EnableService_async
    * @deprecated EnableService is deprecated and may be removed in a future version.
    */
+  enableService(
+    request?: protos.google.api.servicemanagement.v1.IEnableServiceRequest,
+    options?: CallOptions
+  ): Promise<
+    [
+      LROperation<
+        protos.google.api.servicemanagement.v1.IEnableServiceResponse,
+        protos.google.api.servicemanagement.v1.IOperationMetadata
+      >,
+      protos.google.longrunning.IOperation | undefined,
+      {} | undefined
+    ]
+  >;
+  enableService(
+    request: protos.google.api.servicemanagement.v1.IEnableServiceRequest,
+    options: CallOptions,
+    callback: Callback<
+      LROperation<
+        protos.google.api.servicemanagement.v1.IEnableServiceResponse,
+        protos.google.api.servicemanagement.v1.IOperationMetadata
+      >,
+      protos.google.longrunning.IOperation | null | undefined,
+      {} | null | undefined
+    >
+  ): void;
+  enableService(
+    request: protos.google.api.servicemanagement.v1.IEnableServiceRequest,
+    callback: Callback<
+      LROperation<
+        protos.google.api.servicemanagement.v1.IEnableServiceResponse,
+        protos.google.api.servicemanagement.v1.IOperationMetadata
+      >,
+      protos.google.longrunning.IOperation | null | undefined,
+      {} | null | undefined
+    >
+  ): void;
   enableService(
     request?: protos.google.api.servicemanagement.v1.IEnableServiceRequest,
     optionsOrCallback?:
@@ -1832,11 +1815,8 @@ export class ServiceManagerClient {
    *   Please see the
    *   [documentation](https://github.com/googleapis/gax-nodejs/blob/master/client-libraries.md#long-running-operations)
    *   for more details and examples.
-   * @example
-   * const decodedOperation = await checkEnableServiceProgress(name);
-   * console.log(decodedOperation.result);
-   * console.log(decodedOperation.done);
-   * console.log(decodedOperation.metadata);
+   * @example <caption>include:samples/generated/v1/service_manager.enable_service.js</caption>
+   * region_tag:servicemanagement_v1_generated_ServiceManager_EnableService_async
    * @deprecated EnableService is deprecated and may be removed in a future version.
    */
   async checkEnableServiceProgress(
@@ -1866,6 +1846,41 @@ export class ServiceManagerClient {
       protos.google.api.servicemanagement.v1.OperationMetadata
     >;
   }
+  /**
+   * Disables a {@link google.api.servicemanagement.v1.ManagedService|service} for a project, so it can no longer be
+   * be used for the project. It prevents accidental usage that may cause
+   * unexpected billing charges or security leaks.
+   *
+   * Operation<response: DisableServiceResponse>
+   *
+   * @param {Object} request
+   *   The request object that will be sent.
+   * @param {string} request.serviceName
+   *   Required. Name of the service to disable. Specifying an unknown service name
+   *   will cause the request to fail.
+   * @param {string} request.consumerId
+   *   Required. The identity of consumer resource which service disablement will be
+   *   applied to.
+   *
+   *   The Google Service Management implementation accepts the following
+   *   forms:
+   *   - "project:<project_id>"
+   *
+   *   Note: this is made compatible with
+   *   google.api.servicecontrol.v1.Operation.consumer_id.
+   * @param {object} [options]
+   *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
+   * @returns {Promise} - The promise which resolves to an array.
+   *   The first element of the array is an object representing
+   *   a long running operation. Its `promise()` method returns a promise
+   *   you can `await` for.
+   *   Please see the
+   *   [documentation](https://github.com/googleapis/gax-nodejs/blob/master/client-libraries.md#long-running-operations)
+   *   for more details and examples.
+   * @example <caption>include:samples/generated/v1/service_manager.disable_service.js</caption>
+   * region_tag:servicemanagement_v1_generated_ServiceManager_DisableService_async
+   * @deprecated DisableService is deprecated and may be removed in a future version.
+   */
   disableService(
     request?: protos.google.api.servicemanagement.v1.IDisableServiceRequest,
     options?: CallOptions
@@ -1902,42 +1917,6 @@ export class ServiceManagerClient {
       {} | null | undefined
     >
   ): void;
-  /**
-   * Disables a {@link google.api.servicemanagement.v1.ManagedService|service} for a project, so it can no longer be
-   * be used for the project. It prevents accidental usage that may cause
-   * unexpected billing charges or security leaks.
-   *
-   * Operation<response: DisableServiceResponse>
-   *
-   * @param {Object} request
-   *   The request object that will be sent.
-   * @param {string} request.serviceName
-   *   Required. Name of the service to disable. Specifying an unknown service name
-   *   will cause the request to fail.
-   * @param {string} request.consumerId
-   *   Required. The identity of consumer resource which service disablement will be
-   *   applied to.
-   *
-   *   The Google Service Management implementation accepts the following
-   *   forms:
-   *   - "project:<project_id>"
-   *
-   *   Note: this is made compatible with
-   *   google.api.servicecontrol.v1.Operation.consumer_id.
-   * @param {object} [options]
-   *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
-   * @returns {Promise} - The promise which resolves to an array.
-   *   The first element of the array is an object representing
-   *   a long running operation. Its `promise()` method returns a promise
-   *   you can `await` for.
-   *   Please see the
-   *   [documentation](https://github.com/googleapis/gax-nodejs/blob/master/client-libraries.md#long-running-operations)
-   *   for more details and examples.
-   * @example
-   * const [operation] = await client.disableService(request);
-   * const [response] = await operation.promise();
-   * @deprecated DisableService is deprecated and may be removed in a future version.
-   */
   disableService(
     request?: protos.google.api.servicemanagement.v1.IDisableServiceRequest,
     optionsOrCallback?:
@@ -2000,11 +1979,8 @@ export class ServiceManagerClient {
    *   Please see the
    *   [documentation](https://github.com/googleapis/gax-nodejs/blob/master/client-libraries.md#long-running-operations)
    *   for more details and examples.
-   * @example
-   * const decodedOperation = await checkDisableServiceProgress(name);
-   * console.log(decodedOperation.result);
-   * console.log(decodedOperation.done);
-   * console.log(decodedOperation.metadata);
+   * @example <caption>include:samples/generated/v1/service_manager.disable_service.js</caption>
+   * region_tag:servicemanagement_v1_generated_ServiceManager_DisableService_async
    * @deprecated DisableService is deprecated and may be removed in a future version.
    */
   async checkDisableServiceProgress(
@@ -2034,37 +2010,6 @@ export class ServiceManagerClient {
       protos.google.api.servicemanagement.v1.OperationMetadata
     >;
   }
-  listServices(
-    request?: protos.google.api.servicemanagement.v1.IListServicesRequest,
-    options?: CallOptions
-  ): Promise<
-    [
-      protos.google.api.servicemanagement.v1.IManagedService[],
-      protos.google.api.servicemanagement.v1.IListServicesRequest | null,
-      protos.google.api.servicemanagement.v1.IListServicesResponse
-    ]
-  >;
-  listServices(
-    request: protos.google.api.servicemanagement.v1.IListServicesRequest,
-    options: CallOptions,
-    callback: PaginationCallback<
-      protos.google.api.servicemanagement.v1.IListServicesRequest,
-      | protos.google.api.servicemanagement.v1.IListServicesResponse
-      | null
-      | undefined,
-      protos.google.api.servicemanagement.v1.IManagedService
-    >
-  ): void;
-  listServices(
-    request: protos.google.api.servicemanagement.v1.IListServicesRequest,
-    callback: PaginationCallback<
-      protos.google.api.servicemanagement.v1.IListServicesRequest,
-      | protos.google.api.servicemanagement.v1.IListServicesResponse
-      | null
-      | undefined,
-      protos.google.api.servicemanagement.v1.IManagedService
-    >
-  ): void;
   /**
    * Lists managed services.
    *
@@ -2105,6 +2050,37 @@ export class ServiceManagerClient {
    *   [documentation](https://github.com/googleapis/gax-nodejs/blob/master/client-libraries.md#auto-pagination)
    *   for more details and examples.
    */
+  listServices(
+    request?: protos.google.api.servicemanagement.v1.IListServicesRequest,
+    options?: CallOptions
+  ): Promise<
+    [
+      protos.google.api.servicemanagement.v1.IManagedService[],
+      protos.google.api.servicemanagement.v1.IListServicesRequest | null,
+      protos.google.api.servicemanagement.v1.IListServicesResponse
+    ]
+  >;
+  listServices(
+    request: protos.google.api.servicemanagement.v1.IListServicesRequest,
+    options: CallOptions,
+    callback: PaginationCallback<
+      protos.google.api.servicemanagement.v1.IListServicesRequest,
+      | protos.google.api.servicemanagement.v1.IListServicesResponse
+      | null
+      | undefined,
+      protos.google.api.servicemanagement.v1.IManagedService
+    >
+  ): void;
+  listServices(
+    request: protos.google.api.servicemanagement.v1.IListServicesRequest,
+    callback: PaginationCallback<
+      protos.google.api.servicemanagement.v1.IListServicesRequest,
+      | protos.google.api.servicemanagement.v1.IListServicesResponse
+      | null
+      | undefined,
+      protos.google.api.servicemanagement.v1.IManagedService
+    >
+  ): void;
   listServices(
     request?: protos.google.api.servicemanagement.v1.IListServicesRequest,
     optionsOrCallback?:
@@ -2139,6 +2115,8 @@ export class ServiceManagerClient {
       options = optionsOrCallback as CallOptions;
     }
     options = options || {};
+    options.otherArgs = options.otherArgs || {};
+    options.otherArgs.headers = options.otherArgs.headers || {};
     this.initialize();
     return this.innerApiCalls.listServices(request, options, callback);
   }
@@ -2179,7 +2157,10 @@ export class ServiceManagerClient {
   ): Transform {
     request = request || {};
     options = options || {};
-    const callSettings = new gax.CallSettings(options);
+    options.otherArgs = options.otherArgs || {};
+    options.otherArgs.headers = options.otherArgs.headers || {};
+    const defaultCallSettings = this._defaults['listServices'];
+    const callSettings = defaultCallSettings.merge(options);
     this.initialize();
     return this.descriptors.page.listServices.createStream(
       this.innerApiCalls.listServices as gax.GaxCall,
@@ -2218,11 +2199,8 @@ export class ServiceManagerClient {
    *   Please see the
    *   [documentation](https://github.com/googleapis/gax-nodejs/blob/master/client-libraries.md#auto-pagination)
    *   for more details and examples.
-   * @example
-   * const iterable = client.listServicesAsync(request);
-   * for await (const response of iterable) {
-   *   // process response
-   * }
+   * @example <caption>include:samples/generated/v1/service_manager.list_services.js</caption>
+   * region_tag:servicemanagement_v1_generated_ServiceManager_ListServices_async
    */
   listServicesAsync(
     request?: protos.google.api.servicemanagement.v1.IListServicesRequest,
@@ -2230,8 +2208,10 @@ export class ServiceManagerClient {
   ): AsyncIterable<protos.google.api.servicemanagement.v1.IManagedService> {
     request = request || {};
     options = options || {};
-    options = options || {};
-    const callSettings = new gax.CallSettings(options);
+    options.otherArgs = options.otherArgs || {};
+    options.otherArgs.headers = options.otherArgs.headers || {};
+    const defaultCallSettings = this._defaults['listServices'];
+    const callSettings = defaultCallSettings.merge(options);
     this.initialize();
     return this.descriptors.page.listServices.asyncIterate(
       this.innerApiCalls['listServices'] as GaxCall,
@@ -2239,6 +2219,33 @@ export class ServiceManagerClient {
       callSettings
     ) as AsyncIterable<protos.google.api.servicemanagement.v1.IManagedService>;
   }
+  /**
+   * Lists the history of the service configuration for a managed service,
+   * from the newest to the oldest.
+   *
+   * @param {Object} request
+   *   The request object that will be sent.
+   * @param {string} request.serviceName
+   *   Required. The name of the service.  See the [overview](https://cloud.google.com/service-management/overview)
+   *   for naming requirements.  For example: `example.googleapis.com`.
+   * @param {string} request.pageToken
+   *   The token of the page to retrieve.
+   * @param {number} request.pageSize
+   *   The max number of items to include in the response list. Page size is 50
+   *   if not specified. Maximum value is 100.
+   * @param {object} [options]
+   *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
+   * @returns {Promise} - The promise which resolves to an array.
+   *   The first element of the array is Array of [Service]{@link google.api.Service}.
+   *   The client library will perform auto-pagination by default: it will call the API as many
+   *   times as needed and will merge results from all the pages into this array.
+   *   Note that it can affect your quota.
+   *   We recommend using `listServiceConfigsAsync()`
+   *   method described below for async iteration which you can stop as needed.
+   *   Please see the
+   *   [documentation](https://github.com/googleapis/gax-nodejs/blob/master/client-libraries.md#auto-pagination)
+   *   for more details and examples.
+   */
   listServiceConfigs(
     request?: protos.google.api.servicemanagement.v1.IListServiceConfigsRequest,
     options?: CallOptions
@@ -2270,33 +2277,6 @@ export class ServiceManagerClient {
       protos.google.api.IService
     >
   ): void;
-  /**
-   * Lists the history of the service configuration for a managed service,
-   * from the newest to the oldest.
-   *
-   * @param {Object} request
-   *   The request object that will be sent.
-   * @param {string} request.serviceName
-   *   Required. The name of the service.  See the [overview](https://cloud.google.com/service-management/overview)
-   *   for naming requirements.  For example: `example.googleapis.com`.
-   * @param {string} request.pageToken
-   *   The token of the page to retrieve.
-   * @param {number} request.pageSize
-   *   The max number of items to include in the response list. Page size is 50
-   *   if not specified. Maximum value is 100.
-   * @param {object} [options]
-   *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
-   * @returns {Promise} - The promise which resolves to an array.
-   *   The first element of the array is Array of [Service]{@link google.api.Service}.
-   *   The client library will perform auto-pagination by default: it will call the API as many
-   *   times as needed and will merge results from all the pages into this array.
-   *   Note that it can affect your quota.
-   *   We recommend using `listServiceConfigsAsync()`
-   *   method described below for async iteration which you can stop as needed.
-   *   Please see the
-   *   [documentation](https://github.com/googleapis/gax-nodejs/blob/master/client-libraries.md#auto-pagination)
-   *   for more details and examples.
-   */
   listServiceConfigs(
     request?: protos.google.api.servicemanagement.v1.IListServiceConfigsRequest,
     optionsOrCallback?:
@@ -2377,7 +2357,8 @@ export class ServiceManagerClient {
       gax.routingHeader.fromParams({
         service_name: request.serviceName || '',
       });
-    const callSettings = new gax.CallSettings(options);
+    const defaultCallSettings = this._defaults['listServiceConfigs'];
+    const callSettings = defaultCallSettings.merge(options);
     this.initialize();
     return this.descriptors.page.listServiceConfigs.createStream(
       this.innerApiCalls.listServiceConfigs as gax.GaxCall,
@@ -2410,11 +2391,8 @@ export class ServiceManagerClient {
    *   Please see the
    *   [documentation](https://github.com/googleapis/gax-nodejs/blob/master/client-libraries.md#auto-pagination)
    *   for more details and examples.
-   * @example
-   * const iterable = client.listServiceConfigsAsync(request);
-   * for await (const response of iterable) {
-   *   // process response
-   * }
+   * @example <caption>include:samples/generated/v1/service_manager.list_service_configs.js</caption>
+   * region_tag:servicemanagement_v1_generated_ServiceManager_ListServiceConfigs_async
    */
   listServiceConfigsAsync(
     request?: protos.google.api.servicemanagement.v1.IListServiceConfigsRequest,
@@ -2428,8 +2406,8 @@ export class ServiceManagerClient {
       gax.routingHeader.fromParams({
         service_name: request.serviceName || '',
       });
-    options = options || {};
-    const callSettings = new gax.CallSettings(options);
+    const defaultCallSettings = this._defaults['listServiceConfigs'];
+    const callSettings = defaultCallSettings.merge(options);
     this.initialize();
     return this.descriptors.page.listServiceConfigs.asyncIterate(
       this.innerApiCalls['listServiceConfigs'] as GaxCall,
@@ -2437,37 +2415,6 @@ export class ServiceManagerClient {
       callSettings
     ) as AsyncIterable<protos.google.api.IService>;
   }
-  listServiceRollouts(
-    request?: protos.google.api.servicemanagement.v1.IListServiceRolloutsRequest,
-    options?: CallOptions
-  ): Promise<
-    [
-      protos.google.api.servicemanagement.v1.IRollout[],
-      protos.google.api.servicemanagement.v1.IListServiceRolloutsRequest | null,
-      protos.google.api.servicemanagement.v1.IListServiceRolloutsResponse
-    ]
-  >;
-  listServiceRollouts(
-    request: protos.google.api.servicemanagement.v1.IListServiceRolloutsRequest,
-    options: CallOptions,
-    callback: PaginationCallback<
-      protos.google.api.servicemanagement.v1.IListServiceRolloutsRequest,
-      | protos.google.api.servicemanagement.v1.IListServiceRolloutsResponse
-      | null
-      | undefined,
-      protos.google.api.servicemanagement.v1.IRollout
-    >
-  ): void;
-  listServiceRollouts(
-    request: protos.google.api.servicemanagement.v1.IListServiceRolloutsRequest,
-    callback: PaginationCallback<
-      protos.google.api.servicemanagement.v1.IListServiceRolloutsRequest,
-      | protos.google.api.servicemanagement.v1.IListServiceRolloutsResponse
-      | null
-      | undefined,
-      protos.google.api.servicemanagement.v1.IRollout
-    >
-  ): void;
   /**
    * Lists the history of the service configuration rollouts for a managed
    * service, from the newest to the oldest.
@@ -2504,6 +2451,37 @@ export class ServiceManagerClient {
    *   [documentation](https://github.com/googleapis/gax-nodejs/blob/master/client-libraries.md#auto-pagination)
    *   for more details and examples.
    */
+  listServiceRollouts(
+    request?: protos.google.api.servicemanagement.v1.IListServiceRolloutsRequest,
+    options?: CallOptions
+  ): Promise<
+    [
+      protos.google.api.servicemanagement.v1.IRollout[],
+      protos.google.api.servicemanagement.v1.IListServiceRolloutsRequest | null,
+      protos.google.api.servicemanagement.v1.IListServiceRolloutsResponse
+    ]
+  >;
+  listServiceRollouts(
+    request: protos.google.api.servicemanagement.v1.IListServiceRolloutsRequest,
+    options: CallOptions,
+    callback: PaginationCallback<
+      protos.google.api.servicemanagement.v1.IListServiceRolloutsRequest,
+      | protos.google.api.servicemanagement.v1.IListServiceRolloutsResponse
+      | null
+      | undefined,
+      protos.google.api.servicemanagement.v1.IRollout
+    >
+  ): void;
+  listServiceRollouts(
+    request: protos.google.api.servicemanagement.v1.IListServiceRolloutsRequest,
+    callback: PaginationCallback<
+      protos.google.api.servicemanagement.v1.IListServiceRolloutsRequest,
+      | protos.google.api.servicemanagement.v1.IListServiceRolloutsResponse
+      | null
+      | undefined,
+      protos.google.api.servicemanagement.v1.IRollout
+    >
+  ): void;
   listServiceRollouts(
     request?: protos.google.api.servicemanagement.v1.IListServiceRolloutsRequest,
     optionsOrCallback?:
@@ -2593,7 +2571,8 @@ export class ServiceManagerClient {
       gax.routingHeader.fromParams({
         service_name: request.serviceName || '',
       });
-    const callSettings = new gax.CallSettings(options);
+    const defaultCallSettings = this._defaults['listServiceRollouts'];
+    const callSettings = defaultCallSettings.merge(options);
     this.initialize();
     return this.descriptors.page.listServiceRollouts.createStream(
       this.innerApiCalls.listServiceRollouts as gax.GaxCall,
@@ -2635,11 +2614,8 @@ export class ServiceManagerClient {
    *   Please see the
    *   [documentation](https://github.com/googleapis/gax-nodejs/blob/master/client-libraries.md#auto-pagination)
    *   for more details and examples.
-   * @example
-   * const iterable = client.listServiceRolloutsAsync(request);
-   * for await (const response of iterable) {
-   *   // process response
-   * }
+   * @example <caption>include:samples/generated/v1/service_manager.list_service_rollouts.js</caption>
+   * region_tag:servicemanagement_v1_generated_ServiceManager_ListServiceRollouts_async
    */
   listServiceRolloutsAsync(
     request?: protos.google.api.servicemanagement.v1.IListServiceRolloutsRequest,
@@ -2653,8 +2629,8 @@ export class ServiceManagerClient {
       gax.routingHeader.fromParams({
         service_name: request.serviceName || '',
       });
-    options = options || {};
-    const callSettings = new gax.CallSettings(options);
+    const defaultCallSettings = this._defaults['listServiceRollouts'];
+    const callSettings = defaultCallSettings.merge(options);
     this.initialize();
     return this.descriptors.page.listServiceRollouts.asyncIterate(
       this.innerApiCalls['listServiceRollouts'] as GaxCall,
diff --git a/packages/google-api-servicemanagement/test/gapic_service_manager_v1.ts b/packages/google-api-servicemanagement/test/gapic_service_manager_v1.ts
index b02094e8c78..dbe0d0bf5df 100644
--- a/packages/google-api-servicemanagement/test/gapic_service_manager_v1.ts
+++ b/packages/google-api-servicemanagement/test/gapic_service_manager_v1.ts
@@ -676,7 +676,7 @@ describe('v1.ServiceManagerClient', () => {
       const request = generateSampleMessage(
         new protos.google.api.servicemanagement.v1.GenerateConfigReportRequest()
       );
-      const expectedOptions = {};
+      const expectedOptions = {otherArgs: {headers: {}}};
       const expectedResponse = generateSampleMessage(
         new protos.google.api.servicemanagement.v1.GenerateConfigReportResponse()
       );
@@ -700,7 +700,7 @@ describe('v1.ServiceManagerClient', () => {
       const request = generateSampleMessage(
         new protos.google.api.servicemanagement.v1.GenerateConfigReportRequest()
       );
-      const expectedOptions = {};
+      const expectedOptions = {otherArgs: {headers: {}}};
       const expectedResponse = generateSampleMessage(
         new protos.google.api.servicemanagement.v1.GenerateConfigReportResponse()
       );
@@ -739,7 +739,7 @@ describe('v1.ServiceManagerClient', () => {
       const request = generateSampleMessage(
         new protos.google.api.servicemanagement.v1.GenerateConfigReportRequest()
       );
-      const expectedOptions = {};
+      const expectedOptions = {otherArgs: {headers: {}}};
       const expectedError = new Error('expected');
       client.innerApiCalls.generateConfigReport = stubSimpleCall(
         undefined,
@@ -764,7 +764,7 @@ describe('v1.ServiceManagerClient', () => {
       const request = generateSampleMessage(
         new protos.google.api.servicemanagement.v1.CreateServiceRequest()
       );
-      const expectedOptions = {};
+      const expectedOptions = {otherArgs: {headers: {}}};
       const expectedResponse = generateSampleMessage(
         new protos.google.longrunning.Operation()
       );
@@ -789,7 +789,7 @@ describe('v1.ServiceManagerClient', () => {
       const request = generateSampleMessage(
         new protos.google.api.servicemanagement.v1.CreateServiceRequest()
       );
-      const expectedOptions = {};
+      const expectedOptions = {otherArgs: {headers: {}}};
       const expectedResponse = generateSampleMessage(
         new protos.google.longrunning.Operation()
       );
@@ -835,7 +835,7 @@ describe('v1.ServiceManagerClient', () => {
       const request = generateSampleMessage(
         new protos.google.api.servicemanagement.v1.CreateServiceRequest()
       );
-      const expectedOptions = {};
+      const expectedOptions = {otherArgs: {headers: {}}};
       const expectedError = new Error('expected');
       client.innerApiCalls.createService = stubLongRunningCall(
         undefined,
@@ -858,7 +858,7 @@ describe('v1.ServiceManagerClient', () => {
       const request = generateSampleMessage(
         new protos.google.api.servicemanagement.v1.CreateServiceRequest()
       );
-      const expectedOptions = {};
+      const expectedOptions = {otherArgs: {headers: {}}};
       const expectedError = new Error('expected');
       client.innerApiCalls.createService = stubLongRunningCall(
         undefined,
@@ -2114,7 +2114,7 @@ describe('v1.ServiceManagerClient', () => {
       const request = generateSampleMessage(
         new protos.google.api.servicemanagement.v1.ListServicesRequest()
       );
-      const expectedOptions = {};
+      const expectedOptions = {otherArgs: {headers: {}}};
       const expectedResponse = [
         generateSampleMessage(
           new protos.google.api.servicemanagement.v1.ManagedService()
@@ -2145,7 +2145,7 @@ describe('v1.ServiceManagerClient', () => {
       const request = generateSampleMessage(
         new protos.google.api.servicemanagement.v1.ListServicesRequest()
       );
-      const expectedOptions = {};
+      const expectedOptions = {otherArgs: {headers: {}}};
       const expectedResponse = [
         generateSampleMessage(
           new protos.google.api.servicemanagement.v1.ManagedService()
@@ -2194,7 +2194,7 @@ describe('v1.ServiceManagerClient', () => {
       const request = generateSampleMessage(
         new protos.google.api.servicemanagement.v1.ListServicesRequest()
       );
-      const expectedOptions = {};
+      const expectedOptions = {otherArgs: {headers: {}}};
       const expectedError = new Error('expected');
       client.innerApiCalls.listServices = stubSimpleCall(
         undefined,