diff --git a/handwritten/spanner/.eslintignore b/handwritten/spanner/.eslintignore
index ea5b04aebe68..fe83a54fa227 100644
--- a/handwritten/spanner/.eslintignore
+++ b/handwritten/spanner/.eslintignore
@@ -1,6 +1,7 @@
 **/node_modules
 **/coverage
 test/fixtures
+system-test/fixtures
 build/
 docs/
 protos/
diff --git a/handwritten/spanner/.eslintrc.json b/handwritten/spanner/.eslintrc.json
index 782153495464..aa462ccc3ae7 100644
--- a/handwritten/spanner/.eslintrc.json
+++ b/handwritten/spanner/.eslintrc.json
@@ -1,3 +1,4 @@
 {
+  "root": true,
   "extends": "./node_modules/gts"
 }
diff --git a/handwritten/spanner/.kokoro/system-test.sh b/handwritten/spanner/.kokoro/system-test.sh
index a90d5cfec89e..2d3e0732f110 100755
--- a/handwritten/spanner/.kokoro/system-test.sh
+++ b/handwritten/spanner/.kokoro/system-test.sh
@@ -50,7 +50,7 @@ npm run system-test
 # codecov combines coverage across integration and unit tests. Include
 # the logic below for any environment you wish to collect coverage for:
 COVERAGE_NODE=18
-if npx check-node-version@3.3.0 --silent --node $COVERAGE_NODE; then
+if [[ $(node -v) == v${COVERAGE_NODE}.* ]]; then
   NYC_BIN=./node_modules/nyc/bin/nyc.js
   if [ -f "$NYC_BIN" ]; then
     $NYC_BIN report || true
diff --git a/handwritten/spanner/owlbot.py b/handwritten/spanner/owlbot.py
index 9e55c06ac29c..208c0a1beee0 100644
--- a/handwritten/spanner/owlbot.py
+++ b/handwritten/spanner/owlbot.py
@@ -64,7 +64,7 @@
 
 common_templates = gcp.CommonTemplates()
 templates = common_templates.node_mono_repo_library(relative_dir="handwritten/spanner", source_location='build/src')
-s.copy(templates, destination="handwritten/spanner", excludes=[".kokoro/samples-test.sh", ".kokoro/trampoline_v2.sh", ".github/release-trigger.yml", ".github/sync-repo-settings.yaml", "README.md"])
+s.copy(templates, destination="handwritten/spanner", excludes=[".kokoro/samples-test.sh", ".kokoro/trampoline_v2.sh", ".github/release-trigger.yml", ".github/sync-repo-settings.yaml", "README.md", ".eslintignore", ".eslintrc.json"])
 
 node.postprocess_gapic_library_hermetic(relative_dir="handwritten/spanner")
 
diff --git a/handwritten/spanner/package.json b/handwritten/spanner/package.json
index 1ff8b6481ecb..8e05ac865573 100644
--- a/handwritten/spanner/package.json
+++ b/handwritten/spanner/package.json
@@ -34,8 +34,6 @@
     "docs": "jsdoc -c .jsdoc.js",
     "predocs": "npm run compile",
     "lint": "gts check",
-    "samples-test-with-archived": "cd samples/ && npm link ../ && npm test-with-archived && cd ../",
-    "samples-test": "cd samples/ && npm link ../ && npm test && cd ../",
     "system-test": "mocha build/system-test --timeout 1600000",
     "observability-test": "mocha build/observability-test --timeout 1600000",
     "cleanup": "mocha scripts/cleanup.js --timeout 30000",
@@ -52,7 +50,6 @@
     "docs-test": "linkinator docs",
     "predocs-test": "npm run docs",
     "benchwrapper": "node bin/benchwrapper.js",
-    "prelint": "cd samples; npm link ../; npm install",
     "precompile": "gts clean",
     "compile-protos": "compileProtos src",
     "coverage": "c8 mocha build/test build/test/common && c8 report --check-coverage"
diff --git a/handwritten/spanner/src/v1/database_admin_client.ts b/handwritten/spanner/src/v1/database_admin_client.ts
index 2d1876573a99..00132a5ce789 100644
--- a/handwritten/spanner/src/v1/database_admin_client.ts
+++ b/handwritten/spanner/src/v1/database_admin_client.ts
@@ -28,10 +28,10 @@ import type {
   PaginationCallback,
   GaxCall,
 } from 'google-gax';
-import { Transform } from 'stream';
+import {Transform} from 'stream';
 import * as protos from '../../protos/protos';
 import jsonProtos = require('../../protos/protos.json');
-import { loggingUtils as logging, decodeAnyProtosInArray } from 'google-gax';
+import {loggingUtils as logging, decodeAnyProtosInArray} from 'google-gax';
 
 /**
  * Client JSON configuration object, loaded from
@@ -59,7 +59,7 @@ export class DatabaseAdminClient {
   private _gaxModule: typeof gax | typeof gax.fallback;
   private _gaxGrpc: gax.GrpcClient | gax.fallback.GrpcClient;
   private _protos: {};
-  private _defaults: { [method: string]: gax.CallSettings };
+  private _defaults: {[method: string]: gax.CallSettings};
   private _universeDomain: string;
   private _servicePath: string;
   private _log = logging.log('spanner');
@@ -72,10 +72,10 @@ export class DatabaseAdminClient {
     batching: {},
   };
   warn: (code: string, message: string, warnType?: string) => void;
-  innerApiCalls: { [name: string]: Function };
-  pathTemplates: { [name: string]: gax.PathTemplate };
+  innerApiCalls: {[name: string]: Function};
+  pathTemplates: {[name: string]: gax.PathTemplate};
   operationsClient: gax.OperationsClient;
-  databaseAdminStub?: Promise<{ [name: string]: Function }>;
+  databaseAdminStub?: Promise<{[name: string]: Function}>;
 
   /**
    * Construct an instance of DatabaseAdminClient.
@@ -151,7 +151,7 @@ export class DatabaseAdminClient {
     const fallback =
       opts?.fallback ??
       (typeof window !== 'undefined' && typeof window?.fetch === 'function');
-    opts = Object.assign({ servicePath, port, clientConfig, fallback }, opts);
+    opts = Object.assign({servicePath, port, clientConfig, fallback}, opts);
 
     // Request numeric enum values if REST transport is used.
     opts.numericEnums = true;
@@ -282,7 +282,7 @@ export class DatabaseAdminClient {
           selector: 'google.longrunning.Operations.CancelOperation',
           post: '/v1/{name=projects/*/instances/*/databases/*/operations/*}:cancel',
           additional_bindings: [
-            { post: '/v1/{name=projects/*/instances/*/operations/*}:cancel' },
+            {post: '/v1/{name=projects/*/instances/*/operations/*}:cancel'},
             {
               post: '/v1/{name=projects/*/instances/*/backups/*/operations/*}:cancel',
             },
@@ -295,30 +295,30 @@ export class DatabaseAdminClient {
           selector: 'google.longrunning.Operations.DeleteOperation',
           delete: '/v1/{name=projects/*/instances/*/databases/*/operations/*}',
           additional_bindings: [
-            { delete: '/v1/{name=projects/*/instances/*/operations/*}' },
+            {delete: '/v1/{name=projects/*/instances/*/operations/*}'},
             {
               delete:
                 '/v1/{name=projects/*/instances/*/backups/*/operations/*}',
             },
-            { delete: '/v1/{name=projects/*/instanceConfigs/*/operations/*}' },
+            {delete: '/v1/{name=projects/*/instanceConfigs/*/operations/*}'},
           ],
         },
         {
           selector: 'google.longrunning.Operations.GetOperation',
           get: '/v1/{name=projects/*/instances/*/databases/*/operations/*}',
           additional_bindings: [
-            { get: '/v1/{name=projects/*/instances/*/operations/*}' },
-            { get: '/v1/{name=projects/*/instances/*/backups/*/operations/*}' },
-            { get: '/v1/{name=projects/*/instanceConfigs/*/operations/*}' },
+            {get: '/v1/{name=projects/*/instances/*/operations/*}'},
+            {get: '/v1/{name=projects/*/instances/*/backups/*/operations/*}'},
+            {get: '/v1/{name=projects/*/instanceConfigs/*/operations/*}'},
           ],
         },
         {
           selector: 'google.longrunning.Operations.ListOperations',
           get: '/v1/{name=projects/*/instances/*/databases/*/operations}',
           additional_bindings: [
-            { get: '/v1/{name=projects/*/instances/*/operations}' },
-            { get: '/v1/{name=projects/*/instances/*/backups/*/operations}' },
-            { get: '/v1/{name=projects/*/instanceConfigs/*/operations}' },
+            {get: '/v1/{name=projects/*/instances/*/operations}'},
+            {get: '/v1/{name=projects/*/instances/*/backups/*/operations}'},
+            {get: '/v1/{name=projects/*/instanceConfigs/*/operations}'},
           ],
         },
       ];
@@ -401,7 +401,7 @@ export class DatabaseAdminClient {
       'google.spanner.admin.database.v1.DatabaseAdmin',
       gapicConfig as gax.ClientConfig,
       opts.clientConfig || {},
-      { 'x-goog-api-client': clientHeader.join(' ') },
+      {'x-goog-api-client': clientHeader.join(' ')},
     );
 
     // Set up a dictionary of "inner API calls"; the core implementation
@@ -441,7 +441,7 @@ export class DatabaseAdminClient {
           (this._protos as any).google.spanner.admin.database.v1.DatabaseAdmin,
       this._opts,
       this._providedCustomServicePath,
-    ) as Promise<{ [method: string]: Function }>;
+    ) as Promise<{[method: string]: Function}>;
 
     // Iterate over each of the methods that the service provides
     // and create an API call method for each.
@@ -476,7 +476,7 @@ export class DatabaseAdminClient {
     ];
     for (const methodName of databaseAdminStubMethods) {
       const callPromise = this.databaseAdminStub.then(
-        (stub) =>
+        stub =>
           (...args: Array<{}>) => {
             if (this._terminated) {
               return Promise.reject('The client has already been closed.');
@@ -679,7 +679,7 @@ export class DatabaseAdminClient {
       this._gaxModule.routingHeader.fromParams({
         name: request.name ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('getDatabase request %j', request);
@@ -818,7 +818,7 @@ export class DatabaseAdminClient {
       this._gaxModule.routingHeader.fromParams({
         database: request.database ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('dropDatabase request %j', request);
@@ -963,7 +963,7 @@ export class DatabaseAdminClient {
       this._gaxModule.routingHeader.fromParams({
         database: request.database ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('getDatabaseDdl request %j', request);
@@ -1108,7 +1108,7 @@ export class DatabaseAdminClient {
       this._gaxModule.routingHeader.fromParams({
         resource: request.resource ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('setIamPolicy request %j', request);
@@ -1241,7 +1241,7 @@ export class DatabaseAdminClient {
       this._gaxModule.routingHeader.fromParams({
         resource: request.resource ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('getIamPolicy request %j', request);
@@ -1378,7 +1378,7 @@ export class DatabaseAdminClient {
       this._gaxModule.routingHeader.fromParams({
         resource: request.resource ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('testIamPermissions request %j', request);
@@ -1511,7 +1511,7 @@ export class DatabaseAdminClient {
       this._gaxModule.routingHeader.fromParams({
         name: request.name ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('getBackup request %j', request);
@@ -1653,7 +1653,7 @@ export class DatabaseAdminClient {
       this._gaxModule.routingHeader.fromParams({
         'backup.name': request.backup!.name ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('updateBackup request %j', request);
@@ -1791,7 +1791,7 @@ export class DatabaseAdminClient {
       this._gaxModule.routingHeader.fromParams({
         name: request.name ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('deleteBackup request %j', request);
@@ -1942,7 +1942,7 @@ export class DatabaseAdminClient {
       this._gaxModule.routingHeader.fromParams({
         database: request.database ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('addSplitPoints request %j', request);
@@ -2089,7 +2089,7 @@ export class DatabaseAdminClient {
       this._gaxModule.routingHeader.fromParams({
         parent: request.parent ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('createBackupSchedule request %j', request);
@@ -2232,7 +2232,7 @@ export class DatabaseAdminClient {
       this._gaxModule.routingHeader.fromParams({
         name: request.name ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('getBackupSchedule request %j', request);
@@ -2381,7 +2381,7 @@ export class DatabaseAdminClient {
       this._gaxModule.routingHeader.fromParams({
         'backup_schedule.name': request.backupSchedule!.name ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('updateBackupSchedule request %j', request);
@@ -2524,7 +2524,7 @@ export class DatabaseAdminClient {
       this._gaxModule.routingHeader.fromParams({
         name: request.name ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('deleteBackupSchedule request %j', request);
@@ -2670,7 +2670,7 @@ export class DatabaseAdminClient {
     options = options || {};
     options.otherArgs = options.otherArgs || {};
     options.otherArgs.headers = options.otherArgs.headers || {};
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('internalUpdateGraphOperation request %j', request);
@@ -2859,7 +2859,7 @@ export class DatabaseAdminClient {
       this._gaxModule.routingHeader.fromParams({
         parent: request.parent ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     const wrappedCallback:
@@ -2914,7 +2914,7 @@ export class DatabaseAdminClient {
     this._log.info('createDatabase long-running');
     const request =
       new this._gaxModule.operationsProtos.google.longrunning.GetOperationRequest(
-        { name },
+        {name},
       );
     const [operation] = await this.operationsClient.getOperation(request);
     const decodeOperation = new this._gaxModule.Operation(
@@ -3064,7 +3064,7 @@ export class DatabaseAdminClient {
       this._gaxModule.routingHeader.fromParams({
         'database.name': request.database!.name ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     const wrappedCallback:
@@ -3119,7 +3119,7 @@ export class DatabaseAdminClient {
     this._log.info('updateDatabase long-running');
     const request =
       new this._gaxModule.operationsProtos.google.longrunning.GetOperationRequest(
-        { name },
+        {name},
       );
     const [operation] = await this.operationsClient.getOperation(request);
     const decodeOperation = new this._gaxModule.Operation(
@@ -3279,7 +3279,7 @@ export class DatabaseAdminClient {
       this._gaxModule.routingHeader.fromParams({
         database: request.database ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     const wrappedCallback:
@@ -3334,7 +3334,7 @@ export class DatabaseAdminClient {
     this._log.info('updateDatabaseDdl long-running');
     const request =
       new this._gaxModule.operationsProtos.google.longrunning.GetOperationRequest(
-        { name },
+        {name},
       );
     const [operation] = await this.operationsClient.getOperation(request);
     const decodeOperation = new this._gaxModule.Operation(
@@ -3472,7 +3472,7 @@ export class DatabaseAdminClient {
       this._gaxModule.routingHeader.fromParams({
         parent: request.parent ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     const wrappedCallback:
@@ -3527,7 +3527,7 @@ export class DatabaseAdminClient {
     this._log.info('createBackup long-running');
     const request =
       new this._gaxModule.operationsProtos.google.longrunning.GetOperationRequest(
-        { name },
+        {name},
       );
     const [operation] = await this.operationsClient.getOperation(request);
     const decodeOperation = new this._gaxModule.Operation(
@@ -3673,7 +3673,7 @@ export class DatabaseAdminClient {
       this._gaxModule.routingHeader.fromParams({
         parent: request.parent ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     const wrappedCallback:
@@ -3728,7 +3728,7 @@ export class DatabaseAdminClient {
     this._log.info('copyBackup long-running');
     const request =
       new this._gaxModule.operationsProtos.google.longrunning.GetOperationRequest(
-        { name },
+        {name},
       );
     const [operation] = await this.operationsClient.getOperation(request);
     const decodeOperation = new this._gaxModule.Operation(
@@ -3873,7 +3873,7 @@ export class DatabaseAdminClient {
       this._gaxModule.routingHeader.fromParams({
         parent: request.parent ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     const wrappedCallback:
@@ -3928,7 +3928,7 @@ export class DatabaseAdminClient {
     this._log.info('restoreDatabase long-running');
     const request =
       new this._gaxModule.operationsProtos.google.longrunning.GetOperationRequest(
-        { name },
+        {name},
       );
     const [operation] = await this.operationsClient.getOperation(request);
     const decodeOperation = new this._gaxModule.Operation(
@@ -4040,7 +4040,7 @@ export class DatabaseAdminClient {
       this._gaxModule.routingHeader.fromParams({
         parent: request.parent ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     const wrappedCallback:
@@ -4112,7 +4112,7 @@ export class DatabaseAdminClient {
       });
     const defaultCallSettings = this._defaults['listDatabases'];
     const callSettings = defaultCallSettings.merge(options);
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('listDatabases stream %j', request);
@@ -4164,7 +4164,7 @@ export class DatabaseAdminClient {
       });
     const defaultCallSettings = this._defaults['listDatabases'];
     const callSettings = defaultCallSettings.merge(options);
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('listDatabases iterate %j', request);
@@ -4317,7 +4317,7 @@ export class DatabaseAdminClient {
       this._gaxModule.routingHeader.fromParams({
         parent: request.parent ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     const wrappedCallback:
@@ -4431,7 +4431,7 @@ export class DatabaseAdminClient {
       });
     const defaultCallSettings = this._defaults['listBackups'];
     const callSettings = defaultCallSettings.merge(options);
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('listBackups stream %j', request);
@@ -4525,7 +4525,7 @@ export class DatabaseAdminClient {
       });
     const defaultCallSettings = this._defaults['listBackups'];
     const callSettings = defaultCallSettings.merge(options);
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('listBackups iterate %j', request);
@@ -4688,7 +4688,7 @@ export class DatabaseAdminClient {
       this._gaxModule.routingHeader.fromParams({
         parent: request.parent ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     const wrappedCallback:
@@ -4807,7 +4807,7 @@ export class DatabaseAdminClient {
       });
     const defaultCallSettings = this._defaults['listDatabaseOperations'];
     const callSettings = defaultCallSettings.merge(options);
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('listDatabaseOperations stream %j', request);
@@ -4906,7 +4906,7 @@ export class DatabaseAdminClient {
       });
     const defaultCallSettings = this._defaults['listDatabaseOperations'];
     const callSettings = defaultCallSettings.merge(options);
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('listDatabaseOperations iterate %j', request);
@@ -5096,7 +5096,7 @@ export class DatabaseAdminClient {
       this._gaxModule.routingHeader.fromParams({
         parent: request.parent ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     const wrappedCallback:
@@ -5240,7 +5240,7 @@ export class DatabaseAdminClient {
       });
     const defaultCallSettings = this._defaults['listBackupOperations'];
     const callSettings = defaultCallSettings.merge(options);
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('listBackupOperations stream %j', request);
@@ -5364,7 +5364,7 @@ export class DatabaseAdminClient {
       });
     const defaultCallSettings = this._defaults['listBackupOperations'];
     const callSettings = defaultCallSettings.merge(options);
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('listBackupOperations iterate %j', request);
@@ -5474,7 +5474,7 @@ export class DatabaseAdminClient {
       this._gaxModule.routingHeader.fromParams({
         parent: request.parent ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     const wrappedCallback:
@@ -5547,7 +5547,7 @@ export class DatabaseAdminClient {
       });
     const defaultCallSettings = this._defaults['listDatabaseRoles'];
     const callSettings = defaultCallSettings.merge(options);
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('listDatabaseRoles stream %j', request);
@@ -5600,7 +5600,7 @@ export class DatabaseAdminClient {
       });
     const defaultCallSettings = this._defaults['listDatabaseRoles'];
     const callSettings = defaultCallSettings.merge(options);
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('listDatabaseRoles iterate %j', request);
@@ -5711,7 +5711,7 @@ export class DatabaseAdminClient {
       this._gaxModule.routingHeader.fromParams({
         parent: request.parent ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     const wrappedCallback:
@@ -5785,7 +5785,7 @@ export class DatabaseAdminClient {
       });
     const defaultCallSettings = this._defaults['listBackupSchedules'];
     const callSettings = defaultCallSettings.merge(options);
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('listBackupSchedules stream %j', request);
@@ -5839,7 +5839,7 @@ export class DatabaseAdminClient {
       });
     const defaultCallSettings = this._defaults['listBackupSchedules'];
     const callSettings = defaultCallSettings.merge(options);
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('listBackupSchedules iterate %j', request);
@@ -6435,7 +6435,7 @@ export class DatabaseAdminClient {
    */
   close(): Promise<void> {
     if (this.databaseAdminStub && !this._terminated) {
-      return this.databaseAdminStub.then((stub) => {
+      return this.databaseAdminStub.then(stub => {
         this._log.info('ending gRPC channel');
         this._terminated = true;
         stub.close();
diff --git a/handwritten/spanner/src/v1/instance_admin_client.ts b/handwritten/spanner/src/v1/instance_admin_client.ts
index cf68c7eed9af..7616f1d5b7fd 100644
--- a/handwritten/spanner/src/v1/instance_admin_client.ts
+++ b/handwritten/spanner/src/v1/instance_admin_client.ts
@@ -28,10 +28,10 @@ import type {
   PaginationCallback,
   GaxCall,
 } from 'google-gax';
-import { Transform } from 'stream';
+import {Transform} from 'stream';
 import * as protos from '../../protos/protos';
 import jsonProtos = require('../../protos/protos.json');
-import { loggingUtils as logging, decodeAnyProtosInArray } from 'google-gax';
+import {loggingUtils as logging, decodeAnyProtosInArray} from 'google-gax';
 
 /**
  * Client JSON configuration object, loaded from
@@ -73,7 +73,7 @@ export class InstanceAdminClient {
   private _gaxModule: typeof gax | typeof gax.fallback;
   private _gaxGrpc: gax.GrpcClient | gax.fallback.GrpcClient;
   private _protos: {};
-  private _defaults: { [method: string]: gax.CallSettings };
+  private _defaults: {[method: string]: gax.CallSettings};
   private _universeDomain: string;
   private _servicePath: string;
   private _log = logging.log('spanner');
@@ -86,10 +86,10 @@ export class InstanceAdminClient {
     batching: {},
   };
   warn: (code: string, message: string, warnType?: string) => void;
-  innerApiCalls: { [name: string]: Function };
-  pathTemplates: { [name: string]: gax.PathTemplate };
+  innerApiCalls: {[name: string]: Function};
+  pathTemplates: {[name: string]: gax.PathTemplate};
   operationsClient: gax.OperationsClient;
-  instanceAdminStub?: Promise<{ [name: string]: Function }>;
+  instanceAdminStub?: Promise<{[name: string]: Function}>;
 
   /**
    * Construct an instance of InstanceAdminClient.
@@ -165,7 +165,7 @@ export class InstanceAdminClient {
     const fallback =
       opts?.fallback ??
       (typeof window !== 'undefined' && typeof window?.fetch === 'function');
-    opts = Object.assign({ servicePath, port, clientConfig, fallback }, opts);
+    opts = Object.assign({servicePath, port, clientConfig, fallback}, opts);
 
     // Request numeric enum values if REST transport is used.
     opts.numericEnums = true;
@@ -285,7 +285,7 @@ export class InstanceAdminClient {
           selector: 'google.longrunning.Operations.CancelOperation',
           post: '/v1/{name=projects/*/instances/*/databases/*/operations/*}:cancel',
           additional_bindings: [
-            { post: '/v1/{name=projects/*/instances/*/operations/*}:cancel' },
+            {post: '/v1/{name=projects/*/instances/*/operations/*}:cancel'},
             {
               post: '/v1/{name=projects/*/instances/*/backups/*/operations/*}:cancel',
             },
@@ -304,7 +304,7 @@ export class InstanceAdminClient {
           selector: 'google.longrunning.Operations.DeleteOperation',
           delete: '/v1/{name=projects/*/instances/*/databases/*/operations/*}',
           additional_bindings: [
-            { delete: '/v1/{name=projects/*/instances/*/operations/*}' },
+            {delete: '/v1/{name=projects/*/instances/*/operations/*}'},
             {
               delete:
                 '/v1/{name=projects/*/instances/*/backups/*/operations/*}',
@@ -313,7 +313,7 @@ export class InstanceAdminClient {
               delete:
                 '/v1/{name=projects/*/instances/*/instancePartitions/*/operations/*}',
             },
-            { delete: '/v1/{name=projects/*/instanceConfigs/*/operations/*}' },
+            {delete: '/v1/{name=projects/*/instanceConfigs/*/operations/*}'},
             {
               delete:
                 '/v1/{name=projects/*/instanceConfigs/*/ssdCaches/*/operations/*}',
@@ -324,12 +324,12 @@ export class InstanceAdminClient {
           selector: 'google.longrunning.Operations.GetOperation',
           get: '/v1/{name=projects/*/instances/*/databases/*/operations/*}',
           additional_bindings: [
-            { get: '/v1/{name=projects/*/instances/*/operations/*}' },
-            { get: '/v1/{name=projects/*/instances/*/backups/*/operations/*}' },
+            {get: '/v1/{name=projects/*/instances/*/operations/*}'},
+            {get: '/v1/{name=projects/*/instances/*/backups/*/operations/*}'},
             {
               get: '/v1/{name=projects/*/instances/*/instancePartitions/*/operations/*}',
             },
-            { get: '/v1/{name=projects/*/instanceConfigs/*/operations/*}' },
+            {get: '/v1/{name=projects/*/instanceConfigs/*/operations/*}'},
             {
               get: '/v1/{name=projects/*/instanceConfigs/*/ssdCaches/*/operations/*}',
             },
@@ -339,12 +339,12 @@ export class InstanceAdminClient {
           selector: 'google.longrunning.Operations.ListOperations',
           get: '/v1/{name=projects/*/instances/*/databases/*/operations}',
           additional_bindings: [
-            { get: '/v1/{name=projects/*/instances/*/operations}' },
-            { get: '/v1/{name=projects/*/instances/*/backups/*/operations}' },
+            {get: '/v1/{name=projects/*/instances/*/operations}'},
+            {get: '/v1/{name=projects/*/instances/*/backups/*/operations}'},
             {
               get: '/v1/{name=projects/*/instances/*/instancePartitions/*/operations}',
             },
-            { get: '/v1/{name=projects/*/instanceConfigs/*/operations}' },
+            {get: '/v1/{name=projects/*/instanceConfigs/*/operations}'},
             {
               get: '/v1/{name=projects/*/instanceConfigs/*/ssdCaches/*/operations}',
             },
@@ -449,7 +449,7 @@ export class InstanceAdminClient {
       'google.spanner.admin.instance.v1.InstanceAdmin',
       gapicConfig as gax.ClientConfig,
       opts.clientConfig || {},
-      { 'x-goog-api-client': clientHeader.join(' ') },
+      {'x-goog-api-client': clientHeader.join(' ')},
     );
 
     // Set up a dictionary of "inner API calls"; the core implementation
@@ -489,7 +489,7 @@ export class InstanceAdminClient {
           (this._protos as any).google.spanner.admin.instance.v1.InstanceAdmin,
       this._opts,
       this._providedCustomServicePath,
-    ) as Promise<{ [method: string]: Function }>;
+    ) as Promise<{[method: string]: Function}>;
 
     // Iterate over each of the methods that the service provides
     // and create an API call method for each.
@@ -518,7 +518,7 @@ export class InstanceAdminClient {
     ];
     for (const methodName of instanceAdminStubMethods) {
       const callPromise = this.instanceAdminStub.then(
-        (stub) =>
+        stub =>
           (...args: Array<{}>) => {
             if (this._terminated) {
               return Promise.reject('The client has already been closed.');
@@ -727,7 +727,7 @@ export class InstanceAdminClient {
       this._gaxModule.routingHeader.fromParams({
         name: request.name ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('getInstanceConfig request %j', request);
@@ -888,7 +888,7 @@ export class InstanceAdminClient {
       this._gaxModule.routingHeader.fromParams({
         name: request.name ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('deleteInstanceConfig request %j', request);
@@ -1029,7 +1029,7 @@ export class InstanceAdminClient {
       this._gaxModule.routingHeader.fromParams({
         name: request.name ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('getInstance request %j', request);
@@ -1181,7 +1181,7 @@ export class InstanceAdminClient {
       this._gaxModule.routingHeader.fromParams({
         name: request.name ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('deleteInstance request %j', request);
@@ -1324,7 +1324,7 @@ export class InstanceAdminClient {
       this._gaxModule.routingHeader.fromParams({
         resource: request.resource ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('setIamPolicy request %j', request);
@@ -1454,7 +1454,7 @@ export class InstanceAdminClient {
       this._gaxModule.routingHeader.fromParams({
         resource: request.resource ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('getIamPolicy request %j', request);
@@ -1587,7 +1587,7 @@ export class InstanceAdminClient {
       this._gaxModule.routingHeader.fromParams({
         resource: request.resource ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('testIamPermissions request %j', request);
@@ -1725,7 +1725,7 @@ export class InstanceAdminClient {
       this._gaxModule.routingHeader.fromParams({
         name: request.name ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('getInstancePartition request %j', request);
@@ -1879,7 +1879,7 @@ export class InstanceAdminClient {
       this._gaxModule.routingHeader.fromParams({
         name: request.name ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('deleteInstancePartition request %j', request);
@@ -2082,7 +2082,7 @@ export class InstanceAdminClient {
       this._gaxModule.routingHeader.fromParams({
         parent: request.parent ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     const wrappedCallback:
@@ -2137,7 +2137,7 @@ export class InstanceAdminClient {
     this._log.info('createInstanceConfig long-running');
     const request =
       new this._gaxModule.operationsProtos.google.longrunning.GetOperationRequest(
-        { name },
+        {name},
       );
     const [operation] = await this.operationsClient.getOperation(request);
     const decodeOperation = new this._gaxModule.Operation(
@@ -2306,7 +2306,7 @@ export class InstanceAdminClient {
       this._gaxModule.routingHeader.fromParams({
         'instance_config.name': request.instanceConfig!.name ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     const wrappedCallback:
@@ -2361,7 +2361,7 @@ export class InstanceAdminClient {
     this._log.info('updateInstanceConfig long-running');
     const request =
       new this._gaxModule.operationsProtos.google.longrunning.GetOperationRequest(
-        { name },
+        {name},
       );
     const [operation] = await this.operationsClient.getOperation(request);
     const decodeOperation = new this._gaxModule.Operation(
@@ -2512,7 +2512,7 @@ export class InstanceAdminClient {
       this._gaxModule.routingHeader.fromParams({
         parent: request.parent ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     const wrappedCallback:
@@ -2567,7 +2567,7 @@ export class InstanceAdminClient {
     this._log.info('createInstance long-running');
     const request =
       new this._gaxModule.operationsProtos.google.longrunning.GetOperationRequest(
-        { name },
+        {name},
       );
     const [operation] = await this.operationsClient.getOperation(request);
     const decodeOperation = new this._gaxModule.Operation(
@@ -2724,7 +2724,7 @@ export class InstanceAdminClient {
       this._gaxModule.routingHeader.fromParams({
         'instance.name': request.instance!.name ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     const wrappedCallback:
@@ -2779,7 +2779,7 @@ export class InstanceAdminClient {
     this._log.info('updateInstance long-running');
     const request =
       new this._gaxModule.operationsProtos.google.longrunning.GetOperationRequest(
-        { name },
+        {name},
       );
     const [operation] = await this.operationsClient.getOperation(request);
     const decodeOperation = new this._gaxModule.Operation(
@@ -2935,7 +2935,7 @@ export class InstanceAdminClient {
       this._gaxModule.routingHeader.fromParams({
         parent: request.parent ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     const wrappedCallback:
@@ -2990,7 +2990,7 @@ export class InstanceAdminClient {
     this._log.info('createInstancePartition long-running');
     const request =
       new this._gaxModule.operationsProtos.google.longrunning.GetOperationRequest(
-        { name },
+        {name},
       );
     const [operation] = await this.operationsClient.getOperation(request);
     const decodeOperation = new this._gaxModule.Operation(
@@ -3152,7 +3152,7 @@ export class InstanceAdminClient {
       this._gaxModule.routingHeader.fromParams({
         'instance_partition.name': request.instancePartition!.name ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     const wrappedCallback:
@@ -3207,7 +3207,7 @@ export class InstanceAdminClient {
     this._log.info('updateInstancePartition long-running');
     const request =
       new this._gaxModule.operationsProtos.google.longrunning.GetOperationRequest(
-        { name },
+        {name},
       );
     const [operation] = await this.operationsClient.getOperation(request);
     const decodeOperation = new this._gaxModule.Operation(
@@ -3381,7 +3381,7 @@ export class InstanceAdminClient {
       this._gaxModule.routingHeader.fromParams({
         name: request.name ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     const wrappedCallback:
@@ -3436,7 +3436,7 @@ export class InstanceAdminClient {
     this._log.info('moveInstance long-running');
     const request =
       new this._gaxModule.operationsProtos.google.longrunning.GetOperationRequest(
-        { name },
+        {name},
       );
     const [operation] = await this.operationsClient.getOperation(request);
     const decodeOperation = new this._gaxModule.Operation(
@@ -3552,7 +3552,7 @@ export class InstanceAdminClient {
       this._gaxModule.routingHeader.fromParams({
         parent: request.parent ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     const wrappedCallback:
@@ -3625,7 +3625,7 @@ export class InstanceAdminClient {
       });
     const defaultCallSettings = this._defaults['listInstanceConfigs'];
     const callSettings = defaultCallSettings.merge(options);
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('listInstanceConfigs stream %j', request);
@@ -3678,7 +3678,7 @@ export class InstanceAdminClient {
       });
     const defaultCallSettings = this._defaults['listInstanceConfigs'];
     const callSettings = defaultCallSettings.merge(options);
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('listInstanceConfigs iterate %j', request);
@@ -3841,7 +3841,7 @@ export class InstanceAdminClient {
       this._gaxModule.routingHeader.fromParams({
         parent: request.parent ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     const wrappedCallback:
@@ -3957,7 +3957,7 @@ export class InstanceAdminClient {
       });
     const defaultCallSettings = this._defaults['listInstanceConfigOperations'];
     const callSettings = defaultCallSettings.merge(options);
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('listInstanceConfigOperations stream %j', request);
@@ -4053,7 +4053,7 @@ export class InstanceAdminClient {
       });
     const defaultCallSettings = this._defaults['listInstanceConfigOperations'];
     const callSettings = defaultCallSettings.merge(options);
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('listInstanceConfigOperations iterate %j', request);
@@ -4189,7 +4189,7 @@ export class InstanceAdminClient {
       this._gaxModule.routingHeader.fromParams({
         parent: request.parent ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     const wrappedCallback:
@@ -4288,7 +4288,7 @@ export class InstanceAdminClient {
       });
     const defaultCallSettings = this._defaults['listInstances'];
     const callSettings = defaultCallSettings.merge(options);
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('listInstances stream %j', request);
@@ -4367,7 +4367,7 @@ export class InstanceAdminClient {
       });
     const defaultCallSettings = this._defaults['listInstances'];
     const callSettings = defaultCallSettings.merge(options);
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('listInstances iterate %j', request);
@@ -4485,7 +4485,7 @@ export class InstanceAdminClient {
       this._gaxModule.routingHeader.fromParams({
         parent: request.parent ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     const wrappedCallback:
@@ -4566,7 +4566,7 @@ export class InstanceAdminClient {
       });
     const defaultCallSettings = this._defaults['listInstancePartitions'];
     const callSettings = defaultCallSettings.merge(options);
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('listInstancePartitions stream %j', request);
@@ -4627,7 +4627,7 @@ export class InstanceAdminClient {
       });
     const defaultCallSettings = this._defaults['listInstancePartitions'];
     const callSettings = defaultCallSettings.merge(options);
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('listInstancePartitions iterate %j', request);
@@ -4800,7 +4800,7 @@ export class InstanceAdminClient {
       this._gaxModule.routingHeader.fromParams({
         parent: request.parent ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     const wrappedCallback:
@@ -4924,7 +4924,7 @@ export class InstanceAdminClient {
     const defaultCallSettings =
       this._defaults['listInstancePartitionOperations'];
     const callSettings = defaultCallSettings.merge(options);
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('listInstancePartitionOperations stream %j', request);
@@ -5028,7 +5028,7 @@ export class InstanceAdminClient {
     const defaultCallSettings =
       this._defaults['listInstancePartitionOperations'];
     const callSettings = defaultCallSettings.merge(options);
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('listInstancePartitionOperations iterate %j', request);
@@ -5433,7 +5433,7 @@ export class InstanceAdminClient {
    */
   close(): Promise<void> {
     if (this.instanceAdminStub && !this._terminated) {
-      return this.instanceAdminStub.then((stub) => {
+      return this.instanceAdminStub.then(stub => {
         this._log.info('ending gRPC channel');
         this._terminated = true;
         stub.close();
diff --git a/handwritten/spanner/src/v1/spanner_client.ts b/handwritten/spanner/src/v1/spanner_client.ts
index 8dc326c65146..990a8b4718e0 100644
--- a/handwritten/spanner/src/v1/spanner_client.ts
+++ b/handwritten/spanner/src/v1/spanner_client.ts
@@ -26,10 +26,10 @@ import type {
   PaginationCallback,
   GaxCall,
 } from 'google-gax';
-import { Transform, PassThrough } from 'stream';
+import {Transform, PassThrough} from 'stream';
 import * as protos from '../../protos/protos';
 import jsonProtos = require('../../protos/protos.json');
-import { loggingUtils as logging, decodeAnyProtosInArray } from 'google-gax';
+import {loggingUtils as logging, decodeAnyProtosInArray} from 'google-gax';
 
 /**
  * Client JSON configuration object, loaded from
@@ -54,7 +54,7 @@ export class SpannerClient {
   private _gaxModule: typeof gax | typeof gax.fallback;
   private _gaxGrpc: gax.GrpcClient | gax.fallback.GrpcClient;
   private _protos: {};
-  private _defaults: { [method: string]: gax.CallSettings };
+  private _defaults: {[method: string]: gax.CallSettings};
   private _universeDomain: string;
   private _servicePath: string;
   private _log = logging.log('spanner');
@@ -67,9 +67,9 @@ export class SpannerClient {
     batching: {},
   };
   warn: (code: string, message: string, warnType?: string) => void;
-  innerApiCalls: { [name: string]: Function };
-  pathTemplates: { [name: string]: gax.PathTemplate };
-  spannerStub?: Promise<{ [name: string]: Function }>;
+  innerApiCalls: {[name: string]: Function};
+  pathTemplates: {[name: string]: gax.PathTemplate};
+  spannerStub?: Promise<{[name: string]: Function}>;
 
   /**
    * Construct an instance of SpannerClient.
@@ -145,7 +145,7 @@ export class SpannerClient {
     const fallback =
       opts?.fallback ??
       (typeof window !== 'undefined' && typeof window?.fetch === 'function');
-    opts = Object.assign({ servicePath, port, clientConfig, fallback }, opts);
+    opts = Object.assign({servicePath, port, clientConfig, fallback}, opts);
 
     // Request numeric enum values if REST transport is used.
     opts.numericEnums = true;
@@ -254,7 +254,7 @@ export class SpannerClient {
       'google.spanner.v1.Spanner',
       gapicConfig as gax.ClientConfig,
       opts.clientConfig || {},
-      { 'x-goog-api-client': clientHeader.join(' ') },
+      {'x-goog-api-client': clientHeader.join(' ')},
     );
 
     // Set up a dictionary of "inner API calls"; the core implementation
@@ -294,7 +294,7 @@ export class SpannerClient {
           (this._protos as any).google.spanner.v1.Spanner,
       this._opts,
       this._providedCustomServicePath,
-    ) as Promise<{ [method: string]: Function }>;
+    ) as Promise<{[method: string]: Function}>;
 
     // Iterate over each of the methods that the service provides
     // and create an API call method for each.
@@ -319,11 +319,11 @@ export class SpannerClient {
     ];
     for (const methodName of spannerStubMethods) {
       const callPromise = this.spannerStub.then(
-        (stub) =>
+        stub =>
           (...args: Array<{}>) => {
             if (this._terminated) {
               if (methodName in this.descriptors.stream) {
-                const stream = new PassThrough({ objectMode: true });
+                const stream = new PassThrough({objectMode: true});
                 setImmediate(() => {
                   stream.emit(
                     'error',
@@ -545,7 +545,7 @@ export class SpannerClient {
       this._gaxModule.routingHeader.fromParams({
         database: request.database ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('createSession request %j', request);
@@ -681,7 +681,7 @@ export class SpannerClient {
       this._gaxModule.routingHeader.fromParams({
         database: request.database ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('batchCreateSessions request %j', request);
@@ -807,7 +807,7 @@ export class SpannerClient {
       this._gaxModule.routingHeader.fromParams({
         name: request.name ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('getSession request %j', request);
@@ -931,7 +931,7 @@ export class SpannerClient {
       this._gaxModule.routingHeader.fromParams({
         name: request.name ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('deleteSession request %j', request);
@@ -1164,7 +1164,7 @@ export class SpannerClient {
       this._gaxModule.routingHeader.fromParams({
         session: request.session ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('executeSql request %j', request);
@@ -1331,7 +1331,7 @@ export class SpannerClient {
       this._gaxModule.routingHeader.fromParams({
         session: request.session ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('executeBatchDml request %j', request);
@@ -1543,7 +1543,7 @@ export class SpannerClient {
       this._gaxModule.routingHeader.fromParams({
         session: request.session ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('read request %j', request);
@@ -1689,7 +1689,7 @@ export class SpannerClient {
       this._gaxModule.routingHeader.fromParams({
         session: request.session ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('beginTransaction request %j', request);
@@ -1864,7 +1864,7 @@ export class SpannerClient {
       this._gaxModule.routingHeader.fromParams({
         session: request.session ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('commit request %j', request);
@@ -1996,7 +1996,7 @@ export class SpannerClient {
       this._gaxModule.routingHeader.fromParams({
         session: request.session ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('rollback request %j', request);
@@ -2172,7 +2172,7 @@ export class SpannerClient {
       this._gaxModule.routingHeader.fromParams({
         session: request.session ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('partitionQuery request %j', request);
@@ -2335,7 +2335,7 @@ export class SpannerClient {
       this._gaxModule.routingHeader.fromParams({
         session: request.session ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('partitionRead request %j', request);
@@ -2510,7 +2510,7 @@ export class SpannerClient {
       this._gaxModule.routingHeader.fromParams({
         session: request.session ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('executeStreamingSql stream %j', options);
@@ -2624,7 +2624,7 @@ export class SpannerClient {
       this._gaxModule.routingHeader.fromParams({
         session: request.session ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('streamingRead stream %j', options);
@@ -2679,7 +2679,7 @@ export class SpannerClient {
       this._gaxModule.routingHeader.fromParams({
         session: request.session ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('batchWrite stream %j', options);
@@ -2726,7 +2726,7 @@ export class SpannerClient {
       this._gaxModule.routingHeader.fromParams({
         database: request.database ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('fetchCacheUpdate stream %j', options);
@@ -2834,7 +2834,7 @@ export class SpannerClient {
       this._gaxModule.routingHeader.fromParams({
         database: request.database ?? '',
       });
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     const wrappedCallback:
@@ -2914,7 +2914,7 @@ export class SpannerClient {
       });
     const defaultCallSettings = this._defaults['listSessions'];
     const callSettings = defaultCallSettings.merge(options);
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('listSessions stream %j', request);
@@ -2976,7 +2976,7 @@ export class SpannerClient {
       });
     const defaultCallSettings = this._defaults['listSessions'];
     const callSettings = defaultCallSettings.merge(options);
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('listSessions iterate %j', request);
@@ -3114,7 +3114,7 @@ export class SpannerClient {
    */
   close(): Promise<void> {
     if (this.spannerStub && !this._terminated) {
-      return this.spannerStub.then((stub) => {
+      return this.spannerStub.then(stub => {
         this._log.info('ending gRPC channel');
         this._terminated = true;
         stub.close();
diff --git a/handwritten/spanner/src/v1/spanner_executor_proxy_client.ts b/handwritten/spanner/src/v1/spanner_executor_proxy_client.ts
index 570c415453cc..675f8127b124 100644
--- a/handwritten/spanner/src/v1/spanner_executor_proxy_client.ts
+++ b/handwritten/spanner/src/v1/spanner_executor_proxy_client.ts
@@ -24,10 +24,10 @@ import type {
   Descriptors,
   ClientOptions,
 } from 'google-gax';
-import { PassThrough } from 'stream';
+import {PassThrough} from 'stream';
 import * as protos from '../../protos/protos';
 import jsonProtos = require('../../protos/protos.json');
-import { loggingUtils as logging, decodeAnyProtosInArray } from 'google-gax';
+import {loggingUtils as logging, decodeAnyProtosInArray} from 'google-gax';
 
 /**
  * Client JSON configuration object, loaded from
@@ -49,7 +49,7 @@ export class SpannerExecutorProxyClient {
   private _gaxModule: typeof gax | typeof gax.fallback;
   private _gaxGrpc: gax.GrpcClient | gax.fallback.GrpcClient;
   private _protos: {};
-  private _defaults: { [method: string]: gax.CallSettings };
+  private _defaults: {[method: string]: gax.CallSettings};
   private _universeDomain: string;
   private _servicePath: string;
   private _log = logging.log('executor');
@@ -62,9 +62,9 @@ export class SpannerExecutorProxyClient {
     batching: {},
   };
   warn: (code: string, message: string, warnType?: string) => void;
-  innerApiCalls: { [name: string]: Function };
-  pathTemplates: { [name: string]: gax.PathTemplate };
-  spannerExecutorProxyStub?: Promise<{ [name: string]: Function }>;
+  innerApiCalls: {[name: string]: Function};
+  pathTemplates: {[name: string]: gax.PathTemplate};
+  spannerExecutorProxyStub?: Promise<{[name: string]: Function}>;
 
   /**
    * Construct an instance of SpannerExecutorProxyClient.
@@ -140,7 +140,7 @@ export class SpannerExecutorProxyClient {
     const fallback =
       opts?.fallback ??
       (typeof window !== 'undefined' && typeof window?.fetch === 'function');
-    opts = Object.assign({ servicePath, port, clientConfig, fallback }, opts);
+    opts = Object.assign({servicePath, port, clientConfig, fallback}, opts);
 
     // If scopes are unset in options and we're connecting to a non-default endpoint, set scopes just in case.
     if (servicePath !== this._servicePath && !('scopes' in opts)) {
@@ -238,7 +238,7 @@ export class SpannerExecutorProxyClient {
       'google.spanner.executor.v1.SpannerExecutorProxy',
       gapicConfig as gax.ClientConfig,
       opts.clientConfig || {},
-      { 'x-goog-api-client': clientHeader.join(' ') },
+      {'x-goog-api-client': clientHeader.join(' ')},
     );
 
     // Set up a dictionary of "inner API calls"; the core implementation
@@ -278,18 +278,18 @@ export class SpannerExecutorProxyClient {
           (this._protos as any).google.spanner.executor.v1.SpannerExecutorProxy,
       this._opts,
       this._providedCustomServicePath,
-    ) as Promise<{ [method: string]: Function }>;
+    ) as Promise<{[method: string]: Function}>;
 
     // Iterate over each of the methods that the service provides
     // and create an API call method for each.
     const spannerExecutorProxyStubMethods = ['executeActionAsync'];
     for (const methodName of spannerExecutorProxyStubMethods) {
       const callPromise = this.spannerExecutorProxyStub.then(
-        (stub) =>
+        stub =>
           (...args: Array<{}>) => {
             if (this._terminated) {
               if (methodName in this.descriptors.stream) {
-                const stream = new PassThrough({ objectMode: true });
+                const stream = new PassThrough({objectMode: true});
                 setImmediate(() => {
                   stream.emit(
                     'error',
@@ -432,7 +432,7 @@ export class SpannerExecutorProxyClient {
    * region_tag:spanner-cloud-executor_v1_generated_SpannerExecutorProxy_ExecuteActionAsync_async
    */
   executeActionAsync(options?: CallOptions): gax.CancellableStream {
-    this.initialize().catch((err) => {
+    this.initialize().catch(err => {
       throw err;
     });
     this._log.info('executeActionAsync stream %j', options);
@@ -899,7 +899,7 @@ export class SpannerExecutorProxyClient {
    */
   close(): Promise<void> {
     if (this.spannerExecutorProxyStub && !this._terminated) {
-      return this.spannerExecutorProxyStub.then((stub) => {
+      return this.spannerExecutorProxyStub.then(stub => {
         this._log.info('ending gRPC channel');
         this._terminated = true;
         stub.close();
diff --git a/handwritten/spanner/system-test/spanner.ts b/handwritten/spanner/system-test/spanner.ts
index 56cc895018db..4626d35cc8a2 100644
--- a/handwritten/spanner/system-test/spanner.ts
+++ b/handwritten/spanner/system-test/spanner.ts
@@ -1196,7 +1196,7 @@ describe('Spanner', () => {
             ? assert.ok(
                 err.code === grpc.status.FAILED_PRECONDITION ||
                   err.code === grpc.status.OUT_OF_RANGE,
-                `Expected FAILED_PRECONDITION (9) or OUT_OF_RANGE (11), got ${err.code}`
+                `Expected FAILED_PRECONDITION (9) or OUT_OF_RANGE (11), got ${err.code}`,
               )
             : assert.strictEqual(err.code, grpc.status.INVALID_ARGUMENT);
         }
diff --git a/handwritten/spanner/test/gapic_database_admin_v1.ts b/handwritten/spanner/test/gapic_database_admin_v1.ts
index 20f24203e459..f9e1fd723801 100644
--- a/handwritten/spanner/test/gapic_database_admin_v1.ts
+++ b/handwritten/spanner/test/gapic_database_admin_v1.ts
@@ -19,13 +19,13 @@
 import * as protos from '../protos/protos';
 import * as assert from 'assert';
 import * as sinon from 'sinon';
-import { SinonStub } from 'sinon';
-import { describe, it } from 'mocha';
+import {SinonStub} from 'sinon';
+import {describe, it} from 'mocha';
 import * as databaseadminModule from '../src';
 
-import { PassThrough } from 'stream';
+import {PassThrough} from 'stream';
 
-import { protobuf, LROperation, operationsProtos } from 'google-gax';
+import {protobuf, LROperation, operationsProtos} from 'google-gax';
 
 // Dynamically loaded proto JSON is needed to get the type information
 // to fill in default values for request objects
@@ -45,7 +45,7 @@ function getTypeDefaultValue(typeName: string, fields: string[]) {
 function generateSampleMessage<T extends object>(instance: T) {
   const filledObject = (
     instance.constructor as typeof protobuf.Message
-  ).toObject(instance as protobuf.Message<T>, { defaults: true });
+  ).toObject(instance as protobuf.Message<T>, {defaults: true});
   return (instance.constructor as typeof protobuf.Message).fromObject(
     filledObject,
   ) as T;
@@ -149,9 +149,9 @@ function stubAsyncIterationCall<ResponseType>(
             return Promise.reject(error);
           }
           if (counter >= responses!.length) {
-            return Promise.resolve({ done: true, value: undefined });
+            return Promise.resolve({done: true, value: undefined});
           }
-          return Promise.resolve({ done: false, value: responses![counter++] });
+          return Promise.resolve({done: false, value: responses![counter++]});
         },
       };
     },
@@ -271,7 +271,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('has initialize method and supports deferred initialization', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       assert.strictEqual(client.databaseAdminStub, undefined);
@@ -279,12 +279,12 @@ describe('v1.DatabaseAdminClient', () => {
       assert(client.databaseAdminStub);
     });
 
-    it('has close method for the initialized client', (done) => {
+    it('has close method for the initialized client', done => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
-      client.initialize().catch((err) => {
+      client.initialize().catch(err => {
         throw err;
       });
       assert(client.databaseAdminStub);
@@ -293,14 +293,14 @@ describe('v1.DatabaseAdminClient', () => {
         .then(() => {
           done();
         })
-        .catch((err) => {
+        .catch(err => {
           throw err;
         });
     });
 
-    it('has close method for the non-initialized client', (done) => {
+    it('has close method for the non-initialized client', done => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       assert.strictEqual(client.databaseAdminStub, undefined);
@@ -309,7 +309,7 @@ describe('v1.DatabaseAdminClient', () => {
         .then(() => {
           done();
         })
-        .catch((err) => {
+        .catch(err => {
           throw err;
         });
     });
@@ -317,7 +317,7 @@ describe('v1.DatabaseAdminClient', () => {
     it('has getProjectId method', async () => {
       const fakeProjectId = 'fake-project-id';
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       client.auth.getProjectId = sinon.stub().resolves(fakeProjectId);
@@ -329,7 +329,7 @@ describe('v1.DatabaseAdminClient', () => {
     it('has getProjectId method with callback', async () => {
       const fakeProjectId = 'fake-project-id';
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       client.auth.getProjectId = sinon
@@ -352,7 +352,7 @@ describe('v1.DatabaseAdminClient', () => {
   describe('getDatabase', () => {
     it('invokes getDatabase without error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -383,7 +383,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes getDatabase without error using callback', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -430,7 +430,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes getDatabase with error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -461,7 +461,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes getDatabase with closed client', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -474,7 +474,7 @@ describe('v1.DatabaseAdminClient', () => {
       );
       request.name = defaultValue1;
       const expectedError = new Error('The client has already been closed.');
-      client.close().catch((err) => {
+      client.close().catch(err => {
         throw err;
       });
       await assert.rejects(client.getDatabase(request), expectedError);
@@ -484,7 +484,7 @@ describe('v1.DatabaseAdminClient', () => {
   describe('dropDatabase', () => {
     it('invokes dropDatabase without error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -515,7 +515,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes dropDatabase without error using callback', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -562,7 +562,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes dropDatabase with error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -593,7 +593,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes dropDatabase with closed client', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -606,7 +606,7 @@ describe('v1.DatabaseAdminClient', () => {
       );
       request.database = defaultValue1;
       const expectedError = new Error('The client has already been closed.');
-      client.close().catch((err) => {
+      client.close().catch(err => {
         throw err;
       });
       await assert.rejects(client.dropDatabase(request), expectedError);
@@ -616,7 +616,7 @@ describe('v1.DatabaseAdminClient', () => {
   describe('getDatabaseDdl', () => {
     it('invokes getDatabaseDdl without error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -647,7 +647,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes getDatabaseDdl without error using callback', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -694,7 +694,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes getDatabaseDdl with error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -725,7 +725,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes getDatabaseDdl with closed client', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -738,7 +738,7 @@ describe('v1.DatabaseAdminClient', () => {
       );
       request.database = defaultValue1;
       const expectedError = new Error('The client has already been closed.');
-      client.close().catch((err) => {
+      client.close().catch(err => {
         throw err;
       });
       await assert.rejects(client.getDatabaseDdl(request), expectedError);
@@ -748,7 +748,7 @@ describe('v1.DatabaseAdminClient', () => {
   describe('setIamPolicy', () => {
     it('invokes setIamPolicy without error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -779,7 +779,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes setIamPolicy without error using callback', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -826,7 +826,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes setIamPolicy with error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -857,7 +857,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes setIamPolicy with closed client', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -870,7 +870,7 @@ describe('v1.DatabaseAdminClient', () => {
       );
       request.resource = defaultValue1;
       const expectedError = new Error('The client has already been closed.');
-      client.close().catch((err) => {
+      client.close().catch(err => {
         throw err;
       });
       await assert.rejects(client.setIamPolicy(request), expectedError);
@@ -880,7 +880,7 @@ describe('v1.DatabaseAdminClient', () => {
   describe('getIamPolicy', () => {
     it('invokes getIamPolicy without error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -911,7 +911,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes getIamPolicy without error using callback', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -958,7 +958,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes getIamPolicy with error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -989,7 +989,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes getIamPolicy with closed client', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1002,7 +1002,7 @@ describe('v1.DatabaseAdminClient', () => {
       );
       request.resource = defaultValue1;
       const expectedError = new Error('The client has already been closed.');
-      client.close().catch((err) => {
+      client.close().catch(err => {
         throw err;
       });
       await assert.rejects(client.getIamPolicy(request), expectedError);
@@ -1012,7 +1012,7 @@ describe('v1.DatabaseAdminClient', () => {
   describe('testIamPermissions', () => {
     it('invokes testIamPermissions without error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1044,7 +1044,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes testIamPermissions without error using callback', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1091,7 +1091,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes testIamPermissions with error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1122,7 +1122,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes testIamPermissions with closed client', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1135,7 +1135,7 @@ describe('v1.DatabaseAdminClient', () => {
       );
       request.resource = defaultValue1;
       const expectedError = new Error('The client has already been closed.');
-      client.close().catch((err) => {
+      client.close().catch(err => {
         throw err;
       });
       await assert.rejects(client.testIamPermissions(request), expectedError);
@@ -1145,7 +1145,7 @@ describe('v1.DatabaseAdminClient', () => {
   describe('getBackup', () => {
     it('invokes getBackup without error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1176,7 +1176,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes getBackup without error using callback', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1223,7 +1223,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes getBackup with error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1251,7 +1251,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes getBackup with closed client', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1264,7 +1264,7 @@ describe('v1.DatabaseAdminClient', () => {
       );
       request.name = defaultValue1;
       const expectedError = new Error('The client has already been closed.');
-      client.close().catch((err) => {
+      client.close().catch(err => {
         throw err;
       });
       await assert.rejects(client.getBackup(request), expectedError);
@@ -1274,7 +1274,7 @@ describe('v1.DatabaseAdminClient', () => {
   describe('updateBackup', () => {
     it('invokes updateBackup without error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1306,7 +1306,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes updateBackup without error using callback', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1354,7 +1354,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes updateBackup with error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1386,7 +1386,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes updateBackup with closed client', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1400,7 +1400,7 @@ describe('v1.DatabaseAdminClient', () => {
       );
       request.backup.name = defaultValue1;
       const expectedError = new Error('The client has already been closed.');
-      client.close().catch((err) => {
+      client.close().catch(err => {
         throw err;
       });
       await assert.rejects(client.updateBackup(request), expectedError);
@@ -1410,7 +1410,7 @@ describe('v1.DatabaseAdminClient', () => {
   describe('deleteBackup', () => {
     it('invokes deleteBackup without error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1441,7 +1441,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes deleteBackup without error using callback', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1488,7 +1488,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes deleteBackup with error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1519,7 +1519,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes deleteBackup with closed client', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1532,7 +1532,7 @@ describe('v1.DatabaseAdminClient', () => {
       );
       request.name = defaultValue1;
       const expectedError = new Error('The client has already been closed.');
-      client.close().catch((err) => {
+      client.close().catch(err => {
         throw err;
       });
       await assert.rejects(client.deleteBackup(request), expectedError);
@@ -1542,7 +1542,7 @@ describe('v1.DatabaseAdminClient', () => {
   describe('addSplitPoints', () => {
     it('invokes addSplitPoints without error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1573,7 +1573,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes addSplitPoints without error using callback', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1620,7 +1620,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes addSplitPoints with error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1651,7 +1651,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes addSplitPoints with closed client', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1664,7 +1664,7 @@ describe('v1.DatabaseAdminClient', () => {
       );
       request.database = defaultValue1;
       const expectedError = new Error('The client has already been closed.');
-      client.close().catch((err) => {
+      client.close().catch(err => {
         throw err;
       });
       await assert.rejects(client.addSplitPoints(request), expectedError);
@@ -1674,7 +1674,7 @@ describe('v1.DatabaseAdminClient', () => {
   describe('createBackupSchedule', () => {
     it('invokes createBackupSchedule without error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1706,7 +1706,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes createBackupSchedule without error using callback', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1753,7 +1753,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes createBackupSchedule with error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1784,7 +1784,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes createBackupSchedule with closed client', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1797,7 +1797,7 @@ describe('v1.DatabaseAdminClient', () => {
       );
       request.parent = defaultValue1;
       const expectedError = new Error('The client has already been closed.');
-      client.close().catch((err) => {
+      client.close().catch(err => {
         throw err;
       });
       await assert.rejects(client.createBackupSchedule(request), expectedError);
@@ -1807,7 +1807,7 @@ describe('v1.DatabaseAdminClient', () => {
   describe('getBackupSchedule', () => {
     it('invokes getBackupSchedule without error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1838,7 +1838,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes getBackupSchedule without error using callback', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1885,7 +1885,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes getBackupSchedule with error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1916,7 +1916,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes getBackupSchedule with closed client', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1929,7 +1929,7 @@ describe('v1.DatabaseAdminClient', () => {
       );
       request.name = defaultValue1;
       const expectedError = new Error('The client has already been closed.');
-      client.close().catch((err) => {
+      client.close().catch(err => {
         throw err;
       });
       await assert.rejects(client.getBackupSchedule(request), expectedError);
@@ -1939,7 +1939,7 @@ describe('v1.DatabaseAdminClient', () => {
   describe('updateBackupSchedule', () => {
     it('invokes updateBackupSchedule without error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1972,7 +1972,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes updateBackupSchedule without error using callback', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2020,7 +2020,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes updateBackupSchedule with error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2052,7 +2052,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes updateBackupSchedule with closed client', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2066,7 +2066,7 @@ describe('v1.DatabaseAdminClient', () => {
       );
       request.backupSchedule.name = defaultValue1;
       const expectedError = new Error('The client has already been closed.');
-      client.close().catch((err) => {
+      client.close().catch(err => {
         throw err;
       });
       await assert.rejects(client.updateBackupSchedule(request), expectedError);
@@ -2076,7 +2076,7 @@ describe('v1.DatabaseAdminClient', () => {
   describe('deleteBackupSchedule', () => {
     it('invokes deleteBackupSchedule without error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2108,7 +2108,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes deleteBackupSchedule without error using callback', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2155,7 +2155,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes deleteBackupSchedule with error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2186,7 +2186,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes deleteBackupSchedule with closed client', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2199,7 +2199,7 @@ describe('v1.DatabaseAdminClient', () => {
       );
       request.name = defaultValue1;
       const expectedError = new Error('The client has already been closed.');
-      client.close().catch((err) => {
+      client.close().catch(err => {
         throw err;
       });
       await assert.rejects(client.deleteBackupSchedule(request), expectedError);
@@ -2209,7 +2209,7 @@ describe('v1.DatabaseAdminClient', () => {
   describe('internalUpdateGraphOperation', () => {
     it('invokes internalUpdateGraphOperation without error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2227,7 +2227,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes internalUpdateGraphOperation without error using callback', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2260,7 +2260,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes internalUpdateGraphOperation with error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2280,7 +2280,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes internalUpdateGraphOperation with closed client', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2288,7 +2288,7 @@ describe('v1.DatabaseAdminClient', () => {
         new protos.google.spanner.admin.database.v1.InternalUpdateGraphOperationRequest(),
       );
       const expectedError = new Error('The client has already been closed.');
-      client.close().catch((err) => {
+      client.close().catch(err => {
         throw err;
       });
       await assert.rejects(
@@ -2301,7 +2301,7 @@ describe('v1.DatabaseAdminClient', () => {
   describe('createDatabase', () => {
     it('invokes createDatabase without error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2334,7 +2334,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes createDatabase without error using callback', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2388,7 +2388,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes createDatabase with call error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2419,7 +2419,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes createDatabase with LRO error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2452,7 +2452,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes checkCreateDatabaseProgress without error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2460,8 +2460,8 @@ describe('v1.DatabaseAdminClient', () => {
         new operationsProtos.google.longrunning.Operation(),
       );
       expectedResponse.name = 'test';
-      expectedResponse.response = { type_url: 'url', value: Buffer.from('') };
-      expectedResponse.metadata = { type_url: 'url', value: Buffer.from('') };
+      expectedResponse.response = {type_url: 'url', value: Buffer.from('')};
+      expectedResponse.metadata = {type_url: 'url', value: Buffer.from('')};
 
       client.operationsClient.getOperation = stubSimpleCall(expectedResponse);
       const decodedOperation = await client.checkCreateDatabaseProgress(
@@ -2474,7 +2474,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes checkCreateDatabaseProgress with error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2495,7 +2495,7 @@ describe('v1.DatabaseAdminClient', () => {
   describe('updateDatabase', () => {
     it('invokes updateDatabase without error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2529,7 +2529,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes updateDatabase without error using callback', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2584,7 +2584,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes updateDatabase with call error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2616,7 +2616,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes updateDatabase with LRO error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2650,7 +2650,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes checkUpdateDatabaseProgress without error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2658,8 +2658,8 @@ describe('v1.DatabaseAdminClient', () => {
         new operationsProtos.google.longrunning.Operation(),
       );
       expectedResponse.name = 'test';
-      expectedResponse.response = { type_url: 'url', value: Buffer.from('') };
-      expectedResponse.metadata = { type_url: 'url', value: Buffer.from('') };
+      expectedResponse.response = {type_url: 'url', value: Buffer.from('')};
+      expectedResponse.metadata = {type_url: 'url', value: Buffer.from('')};
 
       client.operationsClient.getOperation = stubSimpleCall(expectedResponse);
       const decodedOperation = await client.checkUpdateDatabaseProgress(
@@ -2672,7 +2672,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes checkUpdateDatabaseProgress with error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2693,7 +2693,7 @@ describe('v1.DatabaseAdminClient', () => {
   describe('updateDatabaseDdl', () => {
     it('invokes updateDatabaseDdl without error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2726,7 +2726,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes updateDatabaseDdl without error using callback', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2780,7 +2780,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes updateDatabaseDdl with call error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2811,7 +2811,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes updateDatabaseDdl with LRO error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2844,7 +2844,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes checkUpdateDatabaseDdlProgress without error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2852,8 +2852,8 @@ describe('v1.DatabaseAdminClient', () => {
         new operationsProtos.google.longrunning.Operation(),
       );
       expectedResponse.name = 'test';
-      expectedResponse.response = { type_url: 'url', value: Buffer.from('') };
-      expectedResponse.metadata = { type_url: 'url', value: Buffer.from('') };
+      expectedResponse.response = {type_url: 'url', value: Buffer.from('')};
+      expectedResponse.metadata = {type_url: 'url', value: Buffer.from('')};
 
       client.operationsClient.getOperation = stubSimpleCall(expectedResponse);
       const decodedOperation = await client.checkUpdateDatabaseDdlProgress(
@@ -2866,7 +2866,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes checkUpdateDatabaseDdlProgress with error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2887,7 +2887,7 @@ describe('v1.DatabaseAdminClient', () => {
   describe('createBackup', () => {
     it('invokes createBackup without error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2919,7 +2919,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes createBackup without error using callback', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2973,7 +2973,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes createBackup with call error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -3004,7 +3004,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes createBackup with LRO error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -3037,7 +3037,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes checkCreateBackupProgress without error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -3045,8 +3045,8 @@ describe('v1.DatabaseAdminClient', () => {
         new operationsProtos.google.longrunning.Operation(),
       );
       expectedResponse.name = 'test';
-      expectedResponse.response = { type_url: 'url', value: Buffer.from('') };
-      expectedResponse.metadata = { type_url: 'url', value: Buffer.from('') };
+      expectedResponse.response = {type_url: 'url', value: Buffer.from('')};
+      expectedResponse.metadata = {type_url: 'url', value: Buffer.from('')};
 
       client.operationsClient.getOperation = stubSimpleCall(expectedResponse);
       const decodedOperation = await client.checkCreateBackupProgress(
@@ -3059,7 +3059,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes checkCreateBackupProgress with error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -3077,7 +3077,7 @@ describe('v1.DatabaseAdminClient', () => {
   describe('copyBackup', () => {
     it('invokes copyBackup without error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -3109,7 +3109,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes copyBackup without error using callback', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -3163,7 +3163,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes copyBackup with call error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -3194,7 +3194,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes copyBackup with LRO error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -3227,7 +3227,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes checkCopyBackupProgress without error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -3235,8 +3235,8 @@ describe('v1.DatabaseAdminClient', () => {
         new operationsProtos.google.longrunning.Operation(),
       );
       expectedResponse.name = 'test';
-      expectedResponse.response = { type_url: 'url', value: Buffer.from('') };
-      expectedResponse.metadata = { type_url: 'url', value: Buffer.from('') };
+      expectedResponse.response = {type_url: 'url', value: Buffer.from('')};
+      expectedResponse.metadata = {type_url: 'url', value: Buffer.from('')};
 
       client.operationsClient.getOperation = stubSimpleCall(expectedResponse);
       const decodedOperation = await client.checkCopyBackupProgress(
@@ -3249,7 +3249,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes checkCopyBackupProgress with error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -3267,7 +3267,7 @@ describe('v1.DatabaseAdminClient', () => {
   describe('restoreDatabase', () => {
     it('invokes restoreDatabase without error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -3300,7 +3300,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes restoreDatabase without error using callback', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -3354,7 +3354,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes restoreDatabase with call error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -3385,7 +3385,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes restoreDatabase with LRO error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -3418,7 +3418,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes checkRestoreDatabaseProgress without error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -3426,8 +3426,8 @@ describe('v1.DatabaseAdminClient', () => {
         new operationsProtos.google.longrunning.Operation(),
       );
       expectedResponse.name = 'test';
-      expectedResponse.response = { type_url: 'url', value: Buffer.from('') };
-      expectedResponse.metadata = { type_url: 'url', value: Buffer.from('') };
+      expectedResponse.response = {type_url: 'url', value: Buffer.from('')};
+      expectedResponse.metadata = {type_url: 'url', value: Buffer.from('')};
 
       client.operationsClient.getOperation = stubSimpleCall(expectedResponse);
       const decodedOperation = await client.checkRestoreDatabaseProgress(
@@ -3440,7 +3440,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes checkRestoreDatabaseProgress with error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -3461,7 +3461,7 @@ describe('v1.DatabaseAdminClient', () => {
   describe('listDatabases', () => {
     it('invokes listDatabases without error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -3500,7 +3500,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes listDatabases without error using callback', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -3555,7 +3555,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes listDatabases with error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -3586,7 +3586,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes listDatabasesStream without error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -3647,7 +3647,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes listDatabasesStream with error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -3697,7 +3697,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('uses async iteration with listDatabases without error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -3746,7 +3746,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('uses async iteration with listDatabases with error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -3789,7 +3789,7 @@ describe('v1.DatabaseAdminClient', () => {
   describe('listBackups', () => {
     it('invokes listBackups without error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -3828,7 +3828,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes listBackups without error using callback', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -3883,7 +3883,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes listBackups with error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -3914,7 +3914,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes listBackupsStream without error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -3974,7 +3974,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes listBackupsStream with error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -4025,7 +4025,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('uses async iteration with listBackups without error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -4074,7 +4074,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('uses async iteration with listBackups with error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -4118,7 +4118,7 @@ describe('v1.DatabaseAdminClient', () => {
   describe('listDatabaseOperations', () => {
     it('invokes listDatabaseOperations without error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -4152,7 +4152,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes listDatabaseOperations without error using callback', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -4201,7 +4201,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes listDatabaseOperations with error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -4235,7 +4235,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes listDatabaseOperationsStream without error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -4292,7 +4292,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes listDatabaseOperationsStream with error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -4344,7 +4344,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('uses async iteration with listDatabaseOperations without error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -4391,7 +4391,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('uses async iteration with listDatabaseOperations with error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -4437,7 +4437,7 @@ describe('v1.DatabaseAdminClient', () => {
   describe('listBackupOperations', () => {
     it('invokes listBackupOperations without error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -4471,7 +4471,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes listBackupOperations without error using callback', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -4520,7 +4520,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes listBackupOperations with error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -4551,7 +4551,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes listBackupOperationsStream without error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -4602,7 +4602,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes listBackupOperationsStream with error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -4648,7 +4648,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('uses async iteration with listBackupOperations without error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -4691,7 +4691,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('uses async iteration with listBackupOperations with error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -4733,7 +4733,7 @@ describe('v1.DatabaseAdminClient', () => {
   describe('listDatabaseRoles', () => {
     it('invokes listDatabaseRoles without error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -4772,7 +4772,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes listDatabaseRoles without error using callback', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -4829,7 +4829,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes listDatabaseRoles with error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -4860,7 +4860,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes listDatabaseRolesStream without error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -4921,7 +4921,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes listDatabaseRolesStream with error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -4971,7 +4971,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('uses async iteration with listDatabaseRoles without error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -5021,7 +5021,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('uses async iteration with listDatabaseRoles with error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -5064,7 +5064,7 @@ describe('v1.DatabaseAdminClient', () => {
   describe('listBackupSchedules', () => {
     it('invokes listBackupSchedules without error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -5104,7 +5104,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes listBackupSchedules without error using callback', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -5161,7 +5161,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes listBackupSchedules with error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -5192,7 +5192,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes listBackupSchedulesStream without error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -5255,7 +5255,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('invokes listBackupSchedulesStream with error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -5307,7 +5307,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('uses async iteration with listBackupSchedules without error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -5357,7 +5357,7 @@ describe('v1.DatabaseAdminClient', () => {
 
     it('uses async iteration with listBackupSchedules with error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -5399,7 +5399,7 @@ describe('v1.DatabaseAdminClient', () => {
   describe('getOperation', () => {
     it('invokes getOperation without error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -5420,7 +5420,7 @@ describe('v1.DatabaseAdminClient', () => {
     });
     it('invokes getOperation without error using callback', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       const request = generateSampleMessage(
@@ -5448,7 +5448,7 @@ describe('v1.DatabaseAdminClient', () => {
               }
             },
           )
-          .catch((err) => {
+          .catch(err => {
             throw err;
           });
       });
@@ -5458,7 +5458,7 @@ describe('v1.DatabaseAdminClient', () => {
     });
     it('invokes getOperation with error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       const request = generateSampleMessage(
@@ -5482,7 +5482,7 @@ describe('v1.DatabaseAdminClient', () => {
   describe('cancelOperation', () => {
     it('invokes cancelOperation without error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -5504,7 +5504,7 @@ describe('v1.DatabaseAdminClient', () => {
     });
     it('invokes cancelOperation without error using callback', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       const request = generateSampleMessage(
@@ -5532,7 +5532,7 @@ describe('v1.DatabaseAdminClient', () => {
               }
             },
           )
-          .catch((err) => {
+          .catch(err => {
             throw err;
           });
       });
@@ -5542,7 +5542,7 @@ describe('v1.DatabaseAdminClient', () => {
     });
     it('invokes cancelOperation with error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       const request = generateSampleMessage(
@@ -5566,7 +5566,7 @@ describe('v1.DatabaseAdminClient', () => {
   describe('deleteOperation', () => {
     it('invokes deleteOperation without error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -5588,7 +5588,7 @@ describe('v1.DatabaseAdminClient', () => {
     });
     it('invokes deleteOperation without error using callback', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       const request = generateSampleMessage(
@@ -5616,7 +5616,7 @@ describe('v1.DatabaseAdminClient', () => {
               }
             },
           )
-          .catch((err) => {
+          .catch(err => {
             throw err;
           });
       });
@@ -5626,7 +5626,7 @@ describe('v1.DatabaseAdminClient', () => {
     });
     it('invokes deleteOperation with error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       const request = generateSampleMessage(
@@ -5650,7 +5650,7 @@ describe('v1.DatabaseAdminClient', () => {
   describe('listOperationsAsync', () => {
     it('uses async iteration with listOperations without error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       const request = generateSampleMessage(
@@ -5685,7 +5685,7 @@ describe('v1.DatabaseAdminClient', () => {
     });
     it('uses async iteration with listOperations with error', async () => {
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -5721,7 +5721,7 @@ describe('v1.DatabaseAdminClient', () => {
         backup: 'backupValue',
       };
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -5786,7 +5786,7 @@ describe('v1.DatabaseAdminClient', () => {
         schedule: 'scheduleValue',
       };
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -5862,7 +5862,7 @@ describe('v1.DatabaseAdminClient', () => {
         crypto_key: 'cryptoKeyValue',
       };
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -5937,7 +5937,7 @@ describe('v1.DatabaseAdminClient', () => {
         database: 'databaseValue',
       };
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -6002,7 +6002,7 @@ describe('v1.DatabaseAdminClient', () => {
         role: 'roleValue',
       };
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -6076,7 +6076,7 @@ describe('v1.DatabaseAdminClient', () => {
         instance: 'instanceValue',
       };
       const client = new databaseadminModule.v1.DatabaseAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
diff --git a/handwritten/spanner/test/gapic_instance_admin_v1.ts b/handwritten/spanner/test/gapic_instance_admin_v1.ts
index 0b2d16c5af6e..cff2b7cc7b9d 100644
--- a/handwritten/spanner/test/gapic_instance_admin_v1.ts
+++ b/handwritten/spanner/test/gapic_instance_admin_v1.ts
@@ -19,13 +19,13 @@
 import * as protos from '../protos/protos';
 import * as assert from 'assert';
 import * as sinon from 'sinon';
-import { SinonStub } from 'sinon';
-import { describe, it } from 'mocha';
+import {SinonStub} from 'sinon';
+import {describe, it} from 'mocha';
 import * as instanceadminModule from '../src';
 
-import { PassThrough } from 'stream';
+import {PassThrough} from 'stream';
 
-import { protobuf, LROperation, operationsProtos } from 'google-gax';
+import {protobuf, LROperation, operationsProtos} from 'google-gax';
 
 // Dynamically loaded proto JSON is needed to get the type information
 // to fill in default values for request objects
@@ -45,7 +45,7 @@ function getTypeDefaultValue(typeName: string, fields: string[]) {
 function generateSampleMessage<T extends object>(instance: T) {
   const filledObject = (
     instance.constructor as typeof protobuf.Message
-  ).toObject(instance as protobuf.Message<T>, { defaults: true });
+  ).toObject(instance as protobuf.Message<T>, {defaults: true});
   return (instance.constructor as typeof protobuf.Message).fromObject(
     filledObject,
   ) as T;
@@ -149,9 +149,9 @@ function stubAsyncIterationCall<ResponseType>(
             return Promise.reject(error);
           }
           if (counter >= responses!.length) {
-            return Promise.resolve({ done: true, value: undefined });
+            return Promise.resolve({done: true, value: undefined});
           }
-          return Promise.resolve({ done: false, value: responses![counter++] });
+          return Promise.resolve({done: false, value: responses![counter++]});
         },
       };
     },
@@ -271,7 +271,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('has initialize method and supports deferred initialization', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       assert.strictEqual(client.instanceAdminStub, undefined);
@@ -279,12 +279,12 @@ describe('v1.InstanceAdminClient', () => {
       assert(client.instanceAdminStub);
     });
 
-    it('has close method for the initialized client', (done) => {
+    it('has close method for the initialized client', done => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
-      client.initialize().catch((err) => {
+      client.initialize().catch(err => {
         throw err;
       });
       assert(client.instanceAdminStub);
@@ -293,14 +293,14 @@ describe('v1.InstanceAdminClient', () => {
         .then(() => {
           done();
         })
-        .catch((err) => {
+        .catch(err => {
           throw err;
         });
     });
 
-    it('has close method for the non-initialized client', (done) => {
+    it('has close method for the non-initialized client', done => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       assert.strictEqual(client.instanceAdminStub, undefined);
@@ -309,7 +309,7 @@ describe('v1.InstanceAdminClient', () => {
         .then(() => {
           done();
         })
-        .catch((err) => {
+        .catch(err => {
           throw err;
         });
     });
@@ -317,7 +317,7 @@ describe('v1.InstanceAdminClient', () => {
     it('has getProjectId method', async () => {
       const fakeProjectId = 'fake-project-id';
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       client.auth.getProjectId = sinon.stub().resolves(fakeProjectId);
@@ -329,7 +329,7 @@ describe('v1.InstanceAdminClient', () => {
     it('has getProjectId method with callback', async () => {
       const fakeProjectId = 'fake-project-id';
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       client.auth.getProjectId = sinon
@@ -352,7 +352,7 @@ describe('v1.InstanceAdminClient', () => {
   describe('getInstanceConfig', () => {
     it('invokes getInstanceConfig without error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -383,7 +383,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes getInstanceConfig without error using callback', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -430,7 +430,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes getInstanceConfig with error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -461,7 +461,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes getInstanceConfig with closed client', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -474,7 +474,7 @@ describe('v1.InstanceAdminClient', () => {
       );
       request.name = defaultValue1;
       const expectedError = new Error('The client has already been closed.');
-      client.close().catch((err) => {
+      client.close().catch(err => {
         throw err;
       });
       await assert.rejects(client.getInstanceConfig(request), expectedError);
@@ -484,7 +484,7 @@ describe('v1.InstanceAdminClient', () => {
   describe('deleteInstanceConfig', () => {
     it('invokes deleteInstanceConfig without error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -516,7 +516,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes deleteInstanceConfig without error using callback', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -563,7 +563,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes deleteInstanceConfig with error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -594,7 +594,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes deleteInstanceConfig with closed client', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -607,7 +607,7 @@ describe('v1.InstanceAdminClient', () => {
       );
       request.name = defaultValue1;
       const expectedError = new Error('The client has already been closed.');
-      client.close().catch((err) => {
+      client.close().catch(err => {
         throw err;
       });
       await assert.rejects(client.deleteInstanceConfig(request), expectedError);
@@ -617,7 +617,7 @@ describe('v1.InstanceAdminClient', () => {
   describe('getInstance', () => {
     it('invokes getInstance without error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -648,7 +648,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes getInstance without error using callback', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -695,7 +695,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes getInstance with error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -726,7 +726,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes getInstance with closed client', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -739,7 +739,7 @@ describe('v1.InstanceAdminClient', () => {
       );
       request.name = defaultValue1;
       const expectedError = new Error('The client has already been closed.');
-      client.close().catch((err) => {
+      client.close().catch(err => {
         throw err;
       });
       await assert.rejects(client.getInstance(request), expectedError);
@@ -749,7 +749,7 @@ describe('v1.InstanceAdminClient', () => {
   describe('deleteInstance', () => {
     it('invokes deleteInstance without error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -780,7 +780,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes deleteInstance without error using callback', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -827,7 +827,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes deleteInstance with error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -858,7 +858,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes deleteInstance with closed client', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -871,7 +871,7 @@ describe('v1.InstanceAdminClient', () => {
       );
       request.name = defaultValue1;
       const expectedError = new Error('The client has already been closed.');
-      client.close().catch((err) => {
+      client.close().catch(err => {
         throw err;
       });
       await assert.rejects(client.deleteInstance(request), expectedError);
@@ -881,7 +881,7 @@ describe('v1.InstanceAdminClient', () => {
   describe('setIamPolicy', () => {
     it('invokes setIamPolicy without error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -912,7 +912,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes setIamPolicy without error using callback', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -959,7 +959,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes setIamPolicy with error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -990,7 +990,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes setIamPolicy with closed client', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1003,7 +1003,7 @@ describe('v1.InstanceAdminClient', () => {
       );
       request.resource = defaultValue1;
       const expectedError = new Error('The client has already been closed.');
-      client.close().catch((err) => {
+      client.close().catch(err => {
         throw err;
       });
       await assert.rejects(client.setIamPolicy(request), expectedError);
@@ -1013,7 +1013,7 @@ describe('v1.InstanceAdminClient', () => {
   describe('getIamPolicy', () => {
     it('invokes getIamPolicy without error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1044,7 +1044,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes getIamPolicy without error using callback', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1091,7 +1091,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes getIamPolicy with error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1122,7 +1122,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes getIamPolicy with closed client', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1135,7 +1135,7 @@ describe('v1.InstanceAdminClient', () => {
       );
       request.resource = defaultValue1;
       const expectedError = new Error('The client has already been closed.');
-      client.close().catch((err) => {
+      client.close().catch(err => {
         throw err;
       });
       await assert.rejects(client.getIamPolicy(request), expectedError);
@@ -1145,7 +1145,7 @@ describe('v1.InstanceAdminClient', () => {
   describe('testIamPermissions', () => {
     it('invokes testIamPermissions without error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1177,7 +1177,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes testIamPermissions without error using callback', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1224,7 +1224,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes testIamPermissions with error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1255,7 +1255,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes testIamPermissions with closed client', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1268,7 +1268,7 @@ describe('v1.InstanceAdminClient', () => {
       );
       request.resource = defaultValue1;
       const expectedError = new Error('The client has already been closed.');
-      client.close().catch((err) => {
+      client.close().catch(err => {
         throw err;
       });
       await assert.rejects(client.testIamPermissions(request), expectedError);
@@ -1278,7 +1278,7 @@ describe('v1.InstanceAdminClient', () => {
   describe('getInstancePartition', () => {
     it('invokes getInstancePartition without error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1310,7 +1310,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes getInstancePartition without error using callback', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1357,7 +1357,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes getInstancePartition with error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1388,7 +1388,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes getInstancePartition with closed client', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1401,7 +1401,7 @@ describe('v1.InstanceAdminClient', () => {
       );
       request.name = defaultValue1;
       const expectedError = new Error('The client has already been closed.');
-      client.close().catch((err) => {
+      client.close().catch(err => {
         throw err;
       });
       await assert.rejects(client.getInstancePartition(request), expectedError);
@@ -1411,7 +1411,7 @@ describe('v1.InstanceAdminClient', () => {
   describe('deleteInstancePartition', () => {
     it('invokes deleteInstancePartition without error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1443,7 +1443,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes deleteInstancePartition without error using callback', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1490,7 +1490,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes deleteInstancePartition with error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1524,7 +1524,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes deleteInstancePartition with closed client', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1537,7 +1537,7 @@ describe('v1.InstanceAdminClient', () => {
       );
       request.name = defaultValue1;
       const expectedError = new Error('The client has already been closed.');
-      client.close().catch((err) => {
+      client.close().catch(err => {
         throw err;
       });
       await assert.rejects(
@@ -1550,7 +1550,7 @@ describe('v1.InstanceAdminClient', () => {
   describe('createInstanceConfig', () => {
     it('invokes createInstanceConfig without error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1583,7 +1583,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes createInstanceConfig without error using callback', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1637,7 +1637,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes createInstanceConfig with call error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1668,7 +1668,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes createInstanceConfig with LRO error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1701,7 +1701,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes checkCreateInstanceConfigProgress without error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1709,8 +1709,8 @@ describe('v1.InstanceAdminClient', () => {
         new operationsProtos.google.longrunning.Operation(),
       );
       expectedResponse.name = 'test';
-      expectedResponse.response = { type_url: 'url', value: Buffer.from('') };
-      expectedResponse.metadata = { type_url: 'url', value: Buffer.from('') };
+      expectedResponse.response = {type_url: 'url', value: Buffer.from('')};
+      expectedResponse.metadata = {type_url: 'url', value: Buffer.from('')};
 
       client.operationsClient.getOperation = stubSimpleCall(expectedResponse);
       const decodedOperation = await client.checkCreateInstanceConfigProgress(
@@ -1723,7 +1723,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes checkCreateInstanceConfigProgress with error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1744,7 +1744,7 @@ describe('v1.InstanceAdminClient', () => {
   describe('updateInstanceConfig', () => {
     it('invokes updateInstanceConfig without error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1778,7 +1778,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes updateInstanceConfig without error using callback', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1833,7 +1833,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes updateInstanceConfig with call error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1865,7 +1865,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes updateInstanceConfig with LRO error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1899,7 +1899,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes checkUpdateInstanceConfigProgress without error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1907,8 +1907,8 @@ describe('v1.InstanceAdminClient', () => {
         new operationsProtos.google.longrunning.Operation(),
       );
       expectedResponse.name = 'test';
-      expectedResponse.response = { type_url: 'url', value: Buffer.from('') };
-      expectedResponse.metadata = { type_url: 'url', value: Buffer.from('') };
+      expectedResponse.response = {type_url: 'url', value: Buffer.from('')};
+      expectedResponse.metadata = {type_url: 'url', value: Buffer.from('')};
 
       client.operationsClient.getOperation = stubSimpleCall(expectedResponse);
       const decodedOperation = await client.checkUpdateInstanceConfigProgress(
@@ -1921,7 +1921,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes checkUpdateInstanceConfigProgress with error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1942,7 +1942,7 @@ describe('v1.InstanceAdminClient', () => {
   describe('createInstance', () => {
     it('invokes createInstance without error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1975,7 +1975,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes createInstance without error using callback', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2029,7 +2029,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes createInstance with call error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2060,7 +2060,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes createInstance with LRO error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2093,7 +2093,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes checkCreateInstanceProgress without error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2101,8 +2101,8 @@ describe('v1.InstanceAdminClient', () => {
         new operationsProtos.google.longrunning.Operation(),
       );
       expectedResponse.name = 'test';
-      expectedResponse.response = { type_url: 'url', value: Buffer.from('') };
-      expectedResponse.metadata = { type_url: 'url', value: Buffer.from('') };
+      expectedResponse.response = {type_url: 'url', value: Buffer.from('')};
+      expectedResponse.metadata = {type_url: 'url', value: Buffer.from('')};
 
       client.operationsClient.getOperation = stubSimpleCall(expectedResponse);
       const decodedOperation = await client.checkCreateInstanceProgress(
@@ -2115,7 +2115,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes checkCreateInstanceProgress with error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2136,7 +2136,7 @@ describe('v1.InstanceAdminClient', () => {
   describe('updateInstance', () => {
     it('invokes updateInstance without error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2170,7 +2170,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes updateInstance without error using callback', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2225,7 +2225,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes updateInstance with call error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2257,7 +2257,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes updateInstance with LRO error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2291,7 +2291,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes checkUpdateInstanceProgress without error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2299,8 +2299,8 @@ describe('v1.InstanceAdminClient', () => {
         new operationsProtos.google.longrunning.Operation(),
       );
       expectedResponse.name = 'test';
-      expectedResponse.response = { type_url: 'url', value: Buffer.from('') };
-      expectedResponse.metadata = { type_url: 'url', value: Buffer.from('') };
+      expectedResponse.response = {type_url: 'url', value: Buffer.from('')};
+      expectedResponse.metadata = {type_url: 'url', value: Buffer.from('')};
 
       client.operationsClient.getOperation = stubSimpleCall(expectedResponse);
       const decodedOperation = await client.checkUpdateInstanceProgress(
@@ -2313,7 +2313,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes checkUpdateInstanceProgress with error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2334,7 +2334,7 @@ describe('v1.InstanceAdminClient', () => {
   describe('createInstancePartition', () => {
     it('invokes createInstancePartition without error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2367,7 +2367,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes createInstancePartition without error using callback', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2421,7 +2421,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes createInstancePartition with call error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2455,7 +2455,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes createInstancePartition with LRO error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2488,7 +2488,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes checkCreateInstancePartitionProgress without error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2496,8 +2496,8 @@ describe('v1.InstanceAdminClient', () => {
         new operationsProtos.google.longrunning.Operation(),
       );
       expectedResponse.name = 'test';
-      expectedResponse.response = { type_url: 'url', value: Buffer.from('') };
-      expectedResponse.metadata = { type_url: 'url', value: Buffer.from('') };
+      expectedResponse.response = {type_url: 'url', value: Buffer.from('')};
+      expectedResponse.metadata = {type_url: 'url', value: Buffer.from('')};
 
       client.operationsClient.getOperation = stubSimpleCall(expectedResponse);
       const decodedOperation =
@@ -2511,7 +2511,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes checkCreateInstancePartitionProgress with error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2532,7 +2532,7 @@ describe('v1.InstanceAdminClient', () => {
   describe('updateInstancePartition', () => {
     it('invokes updateInstancePartition without error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2566,7 +2566,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes updateInstancePartition without error using callback', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2621,7 +2621,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes updateInstancePartition with call error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2656,7 +2656,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes updateInstancePartition with LRO error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2690,7 +2690,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes checkUpdateInstancePartitionProgress without error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2698,8 +2698,8 @@ describe('v1.InstanceAdminClient', () => {
         new operationsProtos.google.longrunning.Operation(),
       );
       expectedResponse.name = 'test';
-      expectedResponse.response = { type_url: 'url', value: Buffer.from('') };
-      expectedResponse.metadata = { type_url: 'url', value: Buffer.from('') };
+      expectedResponse.response = {type_url: 'url', value: Buffer.from('')};
+      expectedResponse.metadata = {type_url: 'url', value: Buffer.from('')};
 
       client.operationsClient.getOperation = stubSimpleCall(expectedResponse);
       const decodedOperation =
@@ -2713,7 +2713,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes checkUpdateInstancePartitionProgress with error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2734,7 +2734,7 @@ describe('v1.InstanceAdminClient', () => {
   describe('moveInstance', () => {
     it('invokes moveInstance without error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2766,7 +2766,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes moveInstance without error using callback', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2820,7 +2820,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes moveInstance with call error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2851,7 +2851,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes moveInstance with LRO error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2884,7 +2884,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes checkMoveInstanceProgress without error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2892,8 +2892,8 @@ describe('v1.InstanceAdminClient', () => {
         new operationsProtos.google.longrunning.Operation(),
       );
       expectedResponse.name = 'test';
-      expectedResponse.response = { type_url: 'url', value: Buffer.from('') };
-      expectedResponse.metadata = { type_url: 'url', value: Buffer.from('') };
+      expectedResponse.response = {type_url: 'url', value: Buffer.from('')};
+      expectedResponse.metadata = {type_url: 'url', value: Buffer.from('')};
 
       client.operationsClient.getOperation = stubSimpleCall(expectedResponse);
       const decodedOperation = await client.checkMoveInstanceProgress(
@@ -2906,7 +2906,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes checkMoveInstanceProgress with error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2924,7 +2924,7 @@ describe('v1.InstanceAdminClient', () => {
   describe('listInstanceConfigs', () => {
     it('invokes listInstanceConfigs without error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2964,7 +2964,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes listInstanceConfigs without error using callback', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -3021,7 +3021,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes listInstanceConfigs with error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -3052,7 +3052,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes listInstanceConfigsStream without error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -3115,7 +3115,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes listInstanceConfigsStream with error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -3167,7 +3167,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('uses async iteration with listInstanceConfigs without error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -3217,7 +3217,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('uses async iteration with listInstanceConfigs with error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -3260,7 +3260,7 @@ describe('v1.InstanceAdminClient', () => {
   describe('listInstanceConfigOperations', () => {
     it('invokes listInstanceConfigOperations without error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -3294,7 +3294,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes listInstanceConfigOperations without error using callback', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -3343,7 +3343,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes listInstanceConfigOperations with error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -3377,7 +3377,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes listInstanceConfigOperationsStream without error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -3437,7 +3437,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes listInstanceConfigOperationsStream with error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -3492,7 +3492,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('uses async iteration with listInstanceConfigOperations without error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -3539,7 +3539,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('uses async iteration with listInstanceConfigOperations with error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -3585,7 +3585,7 @@ describe('v1.InstanceAdminClient', () => {
   describe('listInstances', () => {
     it('invokes listInstances without error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -3624,7 +3624,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes listInstances without error using callback', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -3679,7 +3679,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes listInstances with error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -3710,7 +3710,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes listInstancesStream without error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -3771,7 +3771,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes listInstancesStream with error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -3821,7 +3821,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('uses async iteration with listInstances without error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -3870,7 +3870,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('uses async iteration with listInstances with error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -3913,7 +3913,7 @@ describe('v1.InstanceAdminClient', () => {
   describe('listInstancePartitions', () => {
     it('invokes listInstancePartitions without error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -3953,7 +3953,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes listInstancePartitions without error using callback', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -4010,7 +4010,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes listInstancePartitions with error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -4044,7 +4044,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes listInstancePartitionsStream without error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -4113,7 +4113,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes listInstancePartitionsStream with error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -4171,7 +4171,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('uses async iteration with listInstancePartitions without error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -4225,7 +4225,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('uses async iteration with listInstancePartitions with error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -4272,7 +4272,7 @@ describe('v1.InstanceAdminClient', () => {
   describe('listInstancePartitionOperations', () => {
     it('invokes listInstancePartitionOperations without error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -4306,7 +4306,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes listInstancePartitionOperations without error using callback', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -4355,7 +4355,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes listInstancePartitionOperations with error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -4389,7 +4389,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes listInstancePartitionOperationsStream without error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -4449,7 +4449,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('invokes listInstancePartitionOperationsStream with error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -4504,7 +4504,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('uses async iteration with listInstancePartitionOperations without error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -4551,7 +4551,7 @@ describe('v1.InstanceAdminClient', () => {
 
     it('uses async iteration with listInstancePartitionOperations with error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -4596,7 +4596,7 @@ describe('v1.InstanceAdminClient', () => {
   describe('getOperation', () => {
     it('invokes getOperation without error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -4617,7 +4617,7 @@ describe('v1.InstanceAdminClient', () => {
     });
     it('invokes getOperation without error using callback', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       const request = generateSampleMessage(
@@ -4645,7 +4645,7 @@ describe('v1.InstanceAdminClient', () => {
               }
             },
           )
-          .catch((err) => {
+          .catch(err => {
             throw err;
           });
       });
@@ -4655,7 +4655,7 @@ describe('v1.InstanceAdminClient', () => {
     });
     it('invokes getOperation with error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       const request = generateSampleMessage(
@@ -4679,7 +4679,7 @@ describe('v1.InstanceAdminClient', () => {
   describe('cancelOperation', () => {
     it('invokes cancelOperation without error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -4701,7 +4701,7 @@ describe('v1.InstanceAdminClient', () => {
     });
     it('invokes cancelOperation without error using callback', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       const request = generateSampleMessage(
@@ -4729,7 +4729,7 @@ describe('v1.InstanceAdminClient', () => {
               }
             },
           )
-          .catch((err) => {
+          .catch(err => {
             throw err;
           });
       });
@@ -4739,7 +4739,7 @@ describe('v1.InstanceAdminClient', () => {
     });
     it('invokes cancelOperation with error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       const request = generateSampleMessage(
@@ -4763,7 +4763,7 @@ describe('v1.InstanceAdminClient', () => {
   describe('deleteOperation', () => {
     it('invokes deleteOperation without error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -4785,7 +4785,7 @@ describe('v1.InstanceAdminClient', () => {
     });
     it('invokes deleteOperation without error using callback', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       const request = generateSampleMessage(
@@ -4813,7 +4813,7 @@ describe('v1.InstanceAdminClient', () => {
               }
             },
           )
-          .catch((err) => {
+          .catch(err => {
             throw err;
           });
       });
@@ -4823,7 +4823,7 @@ describe('v1.InstanceAdminClient', () => {
     });
     it('invokes deleteOperation with error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       const request = generateSampleMessage(
@@ -4847,7 +4847,7 @@ describe('v1.InstanceAdminClient', () => {
   describe('listOperationsAsync', () => {
     it('uses async iteration with listOperations without error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       const request = generateSampleMessage(
@@ -4882,7 +4882,7 @@ describe('v1.InstanceAdminClient', () => {
     });
     it('uses async iteration with listOperations with error', async () => {
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -4917,7 +4917,7 @@ describe('v1.InstanceAdminClient', () => {
         instance: 'instanceValue',
       };
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -4966,7 +4966,7 @@ describe('v1.InstanceAdminClient', () => {
         instance_config: 'instanceConfigValue',
       };
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -5020,7 +5020,7 @@ describe('v1.InstanceAdminClient', () => {
         instance_partition: 'instancePartitionValue',
       };
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -5095,7 +5095,7 @@ describe('v1.InstanceAdminClient', () => {
         project: 'projectValue',
       };
       const client = new instanceadminModule.v1.InstanceAdminClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
diff --git a/handwritten/spanner/test/gapic_spanner_executor_proxy_v1.ts b/handwritten/spanner/test/gapic_spanner_executor_proxy_v1.ts
index 4bf6bd3031ec..7266a2966439 100644
--- a/handwritten/spanner/test/gapic_spanner_executor_proxy_v1.ts
+++ b/handwritten/spanner/test/gapic_spanner_executor_proxy_v1.ts
@@ -19,13 +19,13 @@
 import * as protos from '../protos/protos';
 import * as assert from 'assert';
 import * as sinon from 'sinon';
-import { SinonStub } from 'sinon';
-import { describe, it } from 'mocha';
+import {SinonStub} from 'sinon';
+import {describe, it} from 'mocha';
 import * as spannerexecutorproxyModule from '../src';
 
-import { PassThrough } from 'stream';
+import {PassThrough} from 'stream';
 
-import { protobuf } from 'google-gax';
+import {protobuf} from 'google-gax';
 
 // Dynamically loaded proto JSON is needed to get the type information
 // to fill in default values for request objects
@@ -45,7 +45,7 @@ function getTypeDefaultValue(typeName: string, fields: string[]) {
 function generateSampleMessage<T extends object>(instance: T) {
   const filledObject = (
     instance.constructor as typeof protobuf.Message
-  ).toObject(instance as protobuf.Message<T>, { defaults: true });
+  ).toObject(instance as protobuf.Message<T>, {defaults: true});
   return (instance.constructor as typeof protobuf.Message).fromObject(
     filledObject,
   ) as T;
@@ -196,7 +196,7 @@ describe('v1.SpannerExecutorProxyClient', () => {
     it('has initialize method and supports deferred initialization', async () => {
       const client =
         new spannerexecutorproxyModule.v1.SpannerExecutorProxyClient({
-          credentials: { client_email: 'bogus', private_key: 'bogus' },
+          credentials: {client_email: 'bogus', private_key: 'bogus'},
           projectId: 'bogus',
         });
       assert.strictEqual(client.spannerExecutorProxyStub, undefined);
@@ -204,13 +204,13 @@ describe('v1.SpannerExecutorProxyClient', () => {
       assert(client.spannerExecutorProxyStub);
     });
 
-    it('has close method for the initialized client', (done) => {
+    it('has close method for the initialized client', done => {
       const client =
         new spannerexecutorproxyModule.v1.SpannerExecutorProxyClient({
-          credentials: { client_email: 'bogus', private_key: 'bogus' },
+          credentials: {client_email: 'bogus', private_key: 'bogus'},
           projectId: 'bogus',
         });
-      client.initialize().catch((err) => {
+      client.initialize().catch(err => {
         throw err;
       });
       assert(client.spannerExecutorProxyStub);
@@ -219,15 +219,15 @@ describe('v1.SpannerExecutorProxyClient', () => {
         .then(() => {
           done();
         })
-        .catch((err) => {
+        .catch(err => {
           throw err;
         });
     });
 
-    it('has close method for the non-initialized client', (done) => {
+    it('has close method for the non-initialized client', done => {
       const client =
         new spannerexecutorproxyModule.v1.SpannerExecutorProxyClient({
-          credentials: { client_email: 'bogus', private_key: 'bogus' },
+          credentials: {client_email: 'bogus', private_key: 'bogus'},
           projectId: 'bogus',
         });
       assert.strictEqual(client.spannerExecutorProxyStub, undefined);
@@ -236,7 +236,7 @@ describe('v1.SpannerExecutorProxyClient', () => {
         .then(() => {
           done();
         })
-        .catch((err) => {
+        .catch(err => {
           throw err;
         });
     });
@@ -245,7 +245,7 @@ describe('v1.SpannerExecutorProxyClient', () => {
       const fakeProjectId = 'fake-project-id';
       const client =
         new spannerexecutorproxyModule.v1.SpannerExecutorProxyClient({
-          credentials: { client_email: 'bogus', private_key: 'bogus' },
+          credentials: {client_email: 'bogus', private_key: 'bogus'},
           projectId: 'bogus',
         });
       client.auth.getProjectId = sinon.stub().resolves(fakeProjectId);
@@ -258,7 +258,7 @@ describe('v1.SpannerExecutorProxyClient', () => {
       const fakeProjectId = 'fake-project-id';
       const client =
         new spannerexecutorproxyModule.v1.SpannerExecutorProxyClient({
-          credentials: { client_email: 'bogus', private_key: 'bogus' },
+          credentials: {client_email: 'bogus', private_key: 'bogus'},
           projectId: 'bogus',
         });
       client.auth.getProjectId = sinon
@@ -282,7 +282,7 @@ describe('v1.SpannerExecutorProxyClient', () => {
     it('invokes executeActionAsync without error', async () => {
       const client =
         new spannerexecutorproxyModule.v1.SpannerExecutorProxyClient({
-          credentials: { client_email: 'bogus', private_key: 'bogus' },
+          credentials: {client_email: 'bogus', private_key: 'bogus'},
           projectId: 'bogus',
         });
       await client.initialize();
@@ -328,7 +328,7 @@ describe('v1.SpannerExecutorProxyClient', () => {
     it('invokes executeActionAsync with error', async () => {
       const client =
         new spannerexecutorproxyModule.v1.SpannerExecutorProxyClient({
-          credentials: { client_email: 'bogus', private_key: 'bogus' },
+          credentials: {client_email: 'bogus', private_key: 'bogus'},
           projectId: 'bogus',
         });
       await client.initialize();
@@ -380,7 +380,7 @@ describe('v1.SpannerExecutorProxyClient', () => {
       };
       const client =
         new spannerexecutorproxyModule.v1.SpannerExecutorProxyClient({
-          credentials: { client_email: 'bogus', private_key: 'bogus' },
+          credentials: {client_email: 'bogus', private_key: 'bogus'},
           projectId: 'bogus',
         });
       await client.initialize();
@@ -446,7 +446,7 @@ describe('v1.SpannerExecutorProxyClient', () => {
       };
       const client =
         new spannerexecutorproxyModule.v1.SpannerExecutorProxyClient({
-          credentials: { client_email: 'bogus', private_key: 'bogus' },
+          credentials: {client_email: 'bogus', private_key: 'bogus'},
           projectId: 'bogus',
         });
       await client.initialize();
@@ -522,7 +522,7 @@ describe('v1.SpannerExecutorProxyClient', () => {
       };
       const client =
         new spannerexecutorproxyModule.v1.SpannerExecutorProxyClient({
-          credentials: { client_email: 'bogus', private_key: 'bogus' },
+          credentials: {client_email: 'bogus', private_key: 'bogus'},
           projectId: 'bogus',
         });
       await client.initialize();
@@ -588,7 +588,7 @@ describe('v1.SpannerExecutorProxyClient', () => {
       };
       const client =
         new spannerexecutorproxyModule.v1.SpannerExecutorProxyClient({
-          credentials: { client_email: 'bogus', private_key: 'bogus' },
+          credentials: {client_email: 'bogus', private_key: 'bogus'},
           projectId: 'bogus',
         });
       await client.initialize();
@@ -663,7 +663,7 @@ describe('v1.SpannerExecutorProxyClient', () => {
       };
       const client =
         new spannerexecutorproxyModule.v1.SpannerExecutorProxyClient({
-          credentials: { client_email: 'bogus', private_key: 'bogus' },
+          credentials: {client_email: 'bogus', private_key: 'bogus'},
           projectId: 'bogus',
         });
       await client.initialize();
@@ -713,7 +713,7 @@ describe('v1.SpannerExecutorProxyClient', () => {
       };
       const client =
         new spannerexecutorproxyModule.v1.SpannerExecutorProxyClient({
-          credentials: { client_email: 'bogus', private_key: 'bogus' },
+          credentials: {client_email: 'bogus', private_key: 'bogus'},
           projectId: 'bogus',
         });
       await client.initialize();
@@ -768,7 +768,7 @@ describe('v1.SpannerExecutorProxyClient', () => {
       };
       const client =
         new spannerexecutorproxyModule.v1.SpannerExecutorProxyClient({
-          credentials: { client_email: 'bogus', private_key: 'bogus' },
+          credentials: {client_email: 'bogus', private_key: 'bogus'},
           projectId: 'bogus',
         });
       await client.initialize();
@@ -847,7 +847,7 @@ describe('v1.SpannerExecutorProxyClient', () => {
       };
       const client =
         new spannerexecutorproxyModule.v1.SpannerExecutorProxyClient({
-          credentials: { client_email: 'bogus', private_key: 'bogus' },
+          credentials: {client_email: 'bogus', private_key: 'bogus'},
           projectId: 'bogus',
         });
       await client.initialize();
diff --git a/handwritten/spanner/test/gapic_spanner_v1.ts b/handwritten/spanner/test/gapic_spanner_v1.ts
index 021412ae0f0d..102c70b4a0cf 100644
--- a/handwritten/spanner/test/gapic_spanner_v1.ts
+++ b/handwritten/spanner/test/gapic_spanner_v1.ts
@@ -19,13 +19,13 @@
 import * as protos from '../protos/protos';
 import * as assert from 'assert';
 import * as sinon from 'sinon';
-import { SinonStub } from 'sinon';
-import { describe, it } from 'mocha';
+import {SinonStub} from 'sinon';
+import {describe, it} from 'mocha';
 import * as spannerModule from '../src';
 
-import { PassThrough } from 'stream';
+import {PassThrough} from 'stream';
 
-import { protobuf } from 'google-gax';
+import {protobuf} from 'google-gax';
 
 // Dynamically loaded proto JSON is needed to get the type information
 // to fill in default values for request objects
@@ -45,7 +45,7 @@ function getTypeDefaultValue(typeName: string, fields: string[]) {
 function generateSampleMessage<T extends object>(instance: T) {
   const filledObject = (
     instance.constructor as typeof protobuf.Message
-  ).toObject(instance as protobuf.Message<T>, { defaults: true });
+  ).toObject(instance as protobuf.Message<T>, {defaults: true});
   return (instance.constructor as typeof protobuf.Message).fromObject(
     filledObject,
   ) as T;
@@ -138,9 +138,9 @@ function stubAsyncIterationCall<ResponseType>(
             return Promise.reject(error);
           }
           if (counter >= responses!.length) {
-            return Promise.resolve({ done: true, value: undefined });
+            return Promise.resolve({done: true, value: undefined});
           }
-          return Promise.resolve({ done: false, value: responses![counter++] });
+          return Promise.resolve({done: false, value: responses![counter++]});
         },
       };
     },
@@ -258,7 +258,7 @@ describe('v1.SpannerClient', () => {
 
     it('has initialize method and supports deferred initialization', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       assert.strictEqual(client.spannerStub, undefined);
@@ -266,12 +266,12 @@ describe('v1.SpannerClient', () => {
       assert(client.spannerStub);
     });
 
-    it('has close method for the initialized client', (done) => {
+    it('has close method for the initialized client', done => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
-      client.initialize().catch((err) => {
+      client.initialize().catch(err => {
         throw err;
       });
       assert(client.spannerStub);
@@ -280,14 +280,14 @@ describe('v1.SpannerClient', () => {
         .then(() => {
           done();
         })
-        .catch((err) => {
+        .catch(err => {
           throw err;
         });
     });
 
-    it('has close method for the non-initialized client', (done) => {
+    it('has close method for the non-initialized client', done => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       assert.strictEqual(client.spannerStub, undefined);
@@ -296,7 +296,7 @@ describe('v1.SpannerClient', () => {
         .then(() => {
           done();
         })
-        .catch((err) => {
+        .catch(err => {
           throw err;
         });
     });
@@ -304,7 +304,7 @@ describe('v1.SpannerClient', () => {
     it('has getProjectId method', async () => {
       const fakeProjectId = 'fake-project-id';
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       client.auth.getProjectId = sinon.stub().resolves(fakeProjectId);
@@ -316,7 +316,7 @@ describe('v1.SpannerClient', () => {
     it('has getProjectId method with callback', async () => {
       const fakeProjectId = 'fake-project-id';
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       client.auth.getProjectId = sinon
@@ -339,7 +339,7 @@ describe('v1.SpannerClient', () => {
   describe('createSession', () => {
     it('invokes createSession without error', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -370,7 +370,7 @@ describe('v1.SpannerClient', () => {
 
     it('invokes createSession without error using callback', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -417,7 +417,7 @@ describe('v1.SpannerClient', () => {
 
     it('invokes createSession with error', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -448,7 +448,7 @@ describe('v1.SpannerClient', () => {
 
     it('invokes createSession with closed client', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -461,7 +461,7 @@ describe('v1.SpannerClient', () => {
       );
       request.database = defaultValue1;
       const expectedError = new Error('The client has already been closed.');
-      client.close().catch((err) => {
+      client.close().catch(err => {
         throw err;
       });
       await assert.rejects(client.createSession(request), expectedError);
@@ -471,7 +471,7 @@ describe('v1.SpannerClient', () => {
   describe('batchCreateSessions', () => {
     it('invokes batchCreateSessions without error', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -503,7 +503,7 @@ describe('v1.SpannerClient', () => {
 
     it('invokes batchCreateSessions without error using callback', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -550,7 +550,7 @@ describe('v1.SpannerClient', () => {
 
     it('invokes batchCreateSessions with error', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -581,7 +581,7 @@ describe('v1.SpannerClient', () => {
 
     it('invokes batchCreateSessions with closed client', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -594,7 +594,7 @@ describe('v1.SpannerClient', () => {
       );
       request.database = defaultValue1;
       const expectedError = new Error('The client has already been closed.');
-      client.close().catch((err) => {
+      client.close().catch(err => {
         throw err;
       });
       await assert.rejects(client.batchCreateSessions(request), expectedError);
@@ -604,7 +604,7 @@ describe('v1.SpannerClient', () => {
   describe('getSession', () => {
     it('invokes getSession without error', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -635,7 +635,7 @@ describe('v1.SpannerClient', () => {
 
     it('invokes getSession without error using callback', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -682,7 +682,7 @@ describe('v1.SpannerClient', () => {
 
     it('invokes getSession with error', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -713,7 +713,7 @@ describe('v1.SpannerClient', () => {
 
     it('invokes getSession with closed client', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -726,7 +726,7 @@ describe('v1.SpannerClient', () => {
       );
       request.name = defaultValue1;
       const expectedError = new Error('The client has already been closed.');
-      client.close().catch((err) => {
+      client.close().catch(err => {
         throw err;
       });
       await assert.rejects(client.getSession(request), expectedError);
@@ -736,7 +736,7 @@ describe('v1.SpannerClient', () => {
   describe('deleteSession', () => {
     it('invokes deleteSession without error', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -767,7 +767,7 @@ describe('v1.SpannerClient', () => {
 
     it('invokes deleteSession without error using callback', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -814,7 +814,7 @@ describe('v1.SpannerClient', () => {
 
     it('invokes deleteSession with error', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -845,7 +845,7 @@ describe('v1.SpannerClient', () => {
 
     it('invokes deleteSession with closed client', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -858,7 +858,7 @@ describe('v1.SpannerClient', () => {
       );
       request.name = defaultValue1;
       const expectedError = new Error('The client has already been closed.');
-      client.close().catch((err) => {
+      client.close().catch(err => {
         throw err;
       });
       await assert.rejects(client.deleteSession(request), expectedError);
@@ -868,7 +868,7 @@ describe('v1.SpannerClient', () => {
   describe('executeSql', () => {
     it('invokes executeSql without error', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -899,7 +899,7 @@ describe('v1.SpannerClient', () => {
 
     it('invokes executeSql without error using callback', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -946,7 +946,7 @@ describe('v1.SpannerClient', () => {
 
     it('invokes executeSql with error', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -977,7 +977,7 @@ describe('v1.SpannerClient', () => {
 
     it('invokes executeSql with closed client', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -990,7 +990,7 @@ describe('v1.SpannerClient', () => {
       );
       request.session = defaultValue1;
       const expectedError = new Error('The client has already been closed.');
-      client.close().catch((err) => {
+      client.close().catch(err => {
         throw err;
       });
       await assert.rejects(client.executeSql(request), expectedError);
@@ -1000,7 +1000,7 @@ describe('v1.SpannerClient', () => {
   describe('executeBatchDml', () => {
     it('invokes executeBatchDml without error', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1031,7 +1031,7 @@ describe('v1.SpannerClient', () => {
 
     it('invokes executeBatchDml without error using callback', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1078,7 +1078,7 @@ describe('v1.SpannerClient', () => {
 
     it('invokes executeBatchDml with error', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1109,7 +1109,7 @@ describe('v1.SpannerClient', () => {
 
     it('invokes executeBatchDml with closed client', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1122,7 +1122,7 @@ describe('v1.SpannerClient', () => {
       );
       request.session = defaultValue1;
       const expectedError = new Error('The client has already been closed.');
-      client.close().catch((err) => {
+      client.close().catch(err => {
         throw err;
       });
       await assert.rejects(client.executeBatchDml(request), expectedError);
@@ -1132,7 +1132,7 @@ describe('v1.SpannerClient', () => {
   describe('read', () => {
     it('invokes read without error', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1162,7 +1162,7 @@ describe('v1.SpannerClient', () => {
 
     it('invokes read without error using callback', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1207,7 +1207,7 @@ describe('v1.SpannerClient', () => {
 
     it('invokes read with error', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1234,7 +1234,7 @@ describe('v1.SpannerClient', () => {
 
     it('invokes read with closed client', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1247,7 +1247,7 @@ describe('v1.SpannerClient', () => {
       );
       request.session = defaultValue1;
       const expectedError = new Error('The client has already been closed.');
-      client.close().catch((err) => {
+      client.close().catch(err => {
         throw err;
       });
       await assert.rejects(client.read(request), expectedError);
@@ -1257,7 +1257,7 @@ describe('v1.SpannerClient', () => {
   describe('beginTransaction', () => {
     it('invokes beginTransaction without error', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1288,7 +1288,7 @@ describe('v1.SpannerClient', () => {
 
     it('invokes beginTransaction without error using callback', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1335,7 +1335,7 @@ describe('v1.SpannerClient', () => {
 
     it('invokes beginTransaction with error', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1366,7 +1366,7 @@ describe('v1.SpannerClient', () => {
 
     it('invokes beginTransaction with closed client', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1379,7 +1379,7 @@ describe('v1.SpannerClient', () => {
       );
       request.session = defaultValue1;
       const expectedError = new Error('The client has already been closed.');
-      client.close().catch((err) => {
+      client.close().catch(err => {
         throw err;
       });
       await assert.rejects(client.beginTransaction(request), expectedError);
@@ -1389,7 +1389,7 @@ describe('v1.SpannerClient', () => {
   describe('commit', () => {
     it('invokes commit without error', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1420,7 +1420,7 @@ describe('v1.SpannerClient', () => {
 
     it('invokes commit without error using callback', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1467,7 +1467,7 @@ describe('v1.SpannerClient', () => {
 
     it('invokes commit with error', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1495,7 +1495,7 @@ describe('v1.SpannerClient', () => {
 
     it('invokes commit with closed client', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1508,7 +1508,7 @@ describe('v1.SpannerClient', () => {
       );
       request.session = defaultValue1;
       const expectedError = new Error('The client has already been closed.');
-      client.close().catch((err) => {
+      client.close().catch(err => {
         throw err;
       });
       await assert.rejects(client.commit(request), expectedError);
@@ -1518,7 +1518,7 @@ describe('v1.SpannerClient', () => {
   describe('rollback', () => {
     it('invokes rollback without error', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1549,7 +1549,7 @@ describe('v1.SpannerClient', () => {
 
     it('invokes rollback without error using callback', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1596,7 +1596,7 @@ describe('v1.SpannerClient', () => {
 
     it('invokes rollback with error', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1624,7 +1624,7 @@ describe('v1.SpannerClient', () => {
 
     it('invokes rollback with closed client', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1637,7 +1637,7 @@ describe('v1.SpannerClient', () => {
       );
       request.session = defaultValue1;
       const expectedError = new Error('The client has already been closed.');
-      client.close().catch((err) => {
+      client.close().catch(err => {
         throw err;
       });
       await assert.rejects(client.rollback(request), expectedError);
@@ -1647,7 +1647,7 @@ describe('v1.SpannerClient', () => {
   describe('partitionQuery', () => {
     it('invokes partitionQuery without error', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1678,7 +1678,7 @@ describe('v1.SpannerClient', () => {
 
     it('invokes partitionQuery without error using callback', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1725,7 +1725,7 @@ describe('v1.SpannerClient', () => {
 
     it('invokes partitionQuery with error', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1756,7 +1756,7 @@ describe('v1.SpannerClient', () => {
 
     it('invokes partitionQuery with closed client', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1769,7 +1769,7 @@ describe('v1.SpannerClient', () => {
       );
       request.session = defaultValue1;
       const expectedError = new Error('The client has already been closed.');
-      client.close().catch((err) => {
+      client.close().catch(err => {
         throw err;
       });
       await assert.rejects(client.partitionQuery(request), expectedError);
@@ -1779,7 +1779,7 @@ describe('v1.SpannerClient', () => {
   describe('partitionRead', () => {
     it('invokes partitionRead without error', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1810,7 +1810,7 @@ describe('v1.SpannerClient', () => {
 
     it('invokes partitionRead without error using callback', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1857,7 +1857,7 @@ describe('v1.SpannerClient', () => {
 
     it('invokes partitionRead with error', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1888,7 +1888,7 @@ describe('v1.SpannerClient', () => {
 
     it('invokes partitionRead with closed client', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1901,7 +1901,7 @@ describe('v1.SpannerClient', () => {
       );
       request.session = defaultValue1;
       const expectedError = new Error('The client has already been closed.');
-      client.close().catch((err) => {
+      client.close().catch(err => {
         throw err;
       });
       await assert.rejects(client.partitionRead(request), expectedError);
@@ -1911,7 +1911,7 @@ describe('v1.SpannerClient', () => {
   describe('executeStreamingSql', () => {
     it('invokes executeStreamingSql without error', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -1955,7 +1955,7 @@ describe('v1.SpannerClient', () => {
 
     it('invokes executeStreamingSql without error and gaxServerStreamingRetries enabled', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
         gaxServerStreamingRetries: true,
       });
@@ -2000,7 +2000,7 @@ describe('v1.SpannerClient', () => {
 
     it('invokes executeStreamingSql with error', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2043,7 +2043,7 @@ describe('v1.SpannerClient', () => {
 
     it('invokes executeStreamingSql with closed client', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2056,11 +2056,11 @@ describe('v1.SpannerClient', () => {
       );
       request.session = defaultValue1;
       const expectedError = new Error('The client has already been closed.');
-      client.close().catch((err) => {
+      client.close().catch(err => {
         throw err;
       });
       const stream = client.executeStreamingSql(request, {
-        retryRequestOptions: { noResponseRetries: 0 },
+        retryRequestOptions: {noResponseRetries: 0},
       });
       const promise = new Promise((resolve, reject) => {
         stream.on(
@@ -2086,7 +2086,7 @@ describe('v1.SpannerClient', () => {
   describe('streamingRead', () => {
     it('invokes streamingRead without error', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2130,7 +2130,7 @@ describe('v1.SpannerClient', () => {
 
     it('invokes streamingRead without error and gaxServerStreamingRetries enabled', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
         gaxServerStreamingRetries: true,
       });
@@ -2175,7 +2175,7 @@ describe('v1.SpannerClient', () => {
 
     it('invokes streamingRead with error', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2218,7 +2218,7 @@ describe('v1.SpannerClient', () => {
 
     it('invokes streamingRead with closed client', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2231,11 +2231,11 @@ describe('v1.SpannerClient', () => {
       );
       request.session = defaultValue1;
       const expectedError = new Error('The client has already been closed.');
-      client.close().catch((err) => {
+      client.close().catch(err => {
         throw err;
       });
       const stream = client.streamingRead(request, {
-        retryRequestOptions: { noResponseRetries: 0 },
+        retryRequestOptions: {noResponseRetries: 0},
       });
       const promise = new Promise((resolve, reject) => {
         stream.on(
@@ -2261,7 +2261,7 @@ describe('v1.SpannerClient', () => {
   describe('batchWrite', () => {
     it('invokes batchWrite without error', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2305,7 +2305,7 @@ describe('v1.SpannerClient', () => {
 
     it('invokes batchWrite without error and gaxServerStreamingRetries enabled', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
         gaxServerStreamingRetries: true,
       });
@@ -2350,7 +2350,7 @@ describe('v1.SpannerClient', () => {
 
     it('invokes batchWrite with error', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2393,7 +2393,7 @@ describe('v1.SpannerClient', () => {
 
     it('invokes batchWrite with closed client', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2406,11 +2406,11 @@ describe('v1.SpannerClient', () => {
       );
       request.session = defaultValue1;
       const expectedError = new Error('The client has already been closed.');
-      client.close().catch((err) => {
+      client.close().catch(err => {
         throw err;
       });
       const stream = client.batchWrite(request, {
-        retryRequestOptions: { noResponseRetries: 0 },
+        retryRequestOptions: {noResponseRetries: 0},
       });
       const promise = new Promise((resolve, reject) => {
         stream.on(
@@ -2436,7 +2436,7 @@ describe('v1.SpannerClient', () => {
   describe('fetchCacheUpdate', () => {
     it('invokes fetchCacheUpdate without error', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2477,7 +2477,7 @@ describe('v1.SpannerClient', () => {
 
     it('invokes fetchCacheUpdate without error and gaxServerStreamingRetries enabled', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
         gaxServerStreamingRetries: true,
       });
@@ -2519,7 +2519,7 @@ describe('v1.SpannerClient', () => {
 
     it('invokes fetchCacheUpdate with error', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2559,7 +2559,7 @@ describe('v1.SpannerClient', () => {
 
     it('invokes fetchCacheUpdate with closed client', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2572,11 +2572,11 @@ describe('v1.SpannerClient', () => {
       );
       request.database = defaultValue1;
       const expectedError = new Error('The client has already been closed.');
-      client.close().catch((err) => {
+      client.close().catch(err => {
         throw err;
       });
       const stream = client.fetchCacheUpdate(request, {
-        retryRequestOptions: { noResponseRetries: 0 },
+        retryRequestOptions: {noResponseRetries: 0},
       });
       const promise = new Promise((resolve, reject) => {
         stream.on('data', (response: protos.google.spanner.v1.CacheUpdate) => {
@@ -2599,7 +2599,7 @@ describe('v1.SpannerClient', () => {
   describe('listSessions', () => {
     it('invokes listSessions without error', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2632,7 +2632,7 @@ describe('v1.SpannerClient', () => {
 
     it('invokes listSessions without error using callback', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2681,7 +2681,7 @@ describe('v1.SpannerClient', () => {
 
     it('invokes listSessions with error', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2712,7 +2712,7 @@ describe('v1.SpannerClient', () => {
 
     it('invokes listSessionsStream without error', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2763,7 +2763,7 @@ describe('v1.SpannerClient', () => {
 
     it('invokes listSessionsStream with error', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2811,7 +2811,7 @@ describe('v1.SpannerClient', () => {
 
     it('uses async iteration with listSessions without error', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2854,7 +2854,7 @@ describe('v1.SpannerClient', () => {
 
     it('uses async iteration with listSessions with error', async () => {
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2902,7 +2902,7 @@ describe('v1.SpannerClient', () => {
         database: 'databaseValue',
       };
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
@@ -2967,7 +2967,7 @@ describe('v1.SpannerClient', () => {
         session: 'sessionValue',
       };
       const client = new spannerModule.v1.SpannerClient({
-        credentials: { client_email: 'bogus', private_key: 'bogus' },
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
         projectId: 'bogus',
       });
       await client.initialize();
diff --git a/handwritten/spanner/test/spanner.ts b/handwritten/spanner/test/spanner.ts
index 54e506b9b754..e86f9c0c02a4 100644
--- a/handwritten/spanner/test/spanner.ts
+++ b/handwritten/spanner/test/spanner.ts
@@ -7318,7 +7318,6 @@ describe('Spanner with mock server', () => {
         }
       });
     });
-
   });
 
   describe('Tracing cache TTL', () => {
@@ -7329,7 +7328,9 @@ describe('Spanner with mock server', () => {
       _resetTracingEnabledForTest();
       warpOffset = 0;
       const originalNow = Date.now;
-      ttlSandbox.stub(Date, 'now').callsFake(() => originalNow.call(Date) + warpOffset);
+      ttlSandbox
+        .stub(Date, 'now')
+        .callsFake(() => originalNow.call(Date) + warpOffset);
     });
 
     afterEach(() => {
@@ -7340,10 +7341,11 @@ describe('Spanner with mock server', () => {
       // 1. Initially no global tracer is configured, returns false
       const getTracerProviderStub = ttlSandbox.stub(trace, 'getTracerProvider');
       getTracerProviderStub.returns({
-        constructor: { name: 'ProxyTracerProvider' },
-        getDelegate: () => ({ constructor: { name: 'NoopTracerProvider' } }),
+        constructor: {name: 'ProxyTracerProvider'},
+        getDelegate: () => ({constructor: {name: 'NoopTracerProvider'}}),
         getTracer: () => ({
-          startActiveSpan: (name, options, cb) => cb({ setAttribute: () => {}, end: () => {} } as any),
+          startActiveSpan: (name, options, cb) =>
+            cb({setAttribute: () => {}, end: () => {}} as any),
         }),
       } as any);
 
@@ -7352,10 +7354,11 @@ describe('Spanner with mock server', () => {
 
       // 2. Even if OpenTelemetry is registered immediately after, it should hit the cache and return false
       getTracerProviderStub.returns({
-        constructor: { name: 'ProxyTracerProvider' },
-        getDelegate: () => ({ constructor: { name: 'NodeTracerProvider' } }),
+        constructor: {name: 'ProxyTracerProvider'},
+        getDelegate: () => ({constructor: {name: 'NodeTracerProvider'}}),
         getTracer: () => ({
-          startActiveSpan: (name, options, cb) => cb({ setAttribute: () => {}, end: () => {} } as any),
+          startActiveSpan: (name, options, cb) =>
+            cb({setAttribute: () => {}, end: () => {}} as any),
         }),
       } as any);
 
@@ -7397,20 +7400,20 @@ describe('Spanner with mock server', () => {
       // We delegate getTracer to provider so that if getTracer is ever called, it works perfectly,
       // but name is 'ProxyTracerProvider' so it is detected as unconfigured!
       getTracerProviderStub.returns({
-        constructor: { name: 'ProxyTracerProvider' },
-        getDelegate: () => ({ constructor: { name: 'NoopTracerProvider' } }),
+        constructor: {name: 'ProxyTracerProvider'},
+        getDelegate: () => ({constructor: {name: 'NoopTracerProvider'}}),
         getTracer: (name, version) => provider.getTracer(name, version),
       } as any);
 
       const localDatabase = newTestDatabase();
 
       // First call: it shouldn't generate any spans!
-      const [rows1] = await localDatabase.run({ sql: selectSql });
+      const [rows1] = await localDatabase.run({sql: selectSql});
       assert.strictEqual(rows1.length, 3);
       assert.strictEqual(exporter.getFinishedSpans().length, 0);
 
       // Second call immediately: because 10s TTL cache is still active, it should still NOT trace!
-      const [rows2] = await localDatabase.run({ sql: selectSql });
+      const [rows2] = await localDatabase.run({sql: selectSql});
       assert.strictEqual(rows2.length, 3);
       assert.strictEqual(exporter.getFinishedSpans().length, 0);
 
@@ -7421,7 +7424,7 @@ describe('Spanner with mock server', () => {
       warpOffset += 10100;
 
       // Third call: cache has expired, so it auto-detects OTel and traces successfully!
-      const [rows3] = await localDatabase.run({ sql: selectSql });
+      const [rows3] = await localDatabase.run({sql: selectSql});
       assert.strictEqual(rows3.length, 3);
 
       // Verify that we successfully captured spans!
@@ -7454,10 +7457,12 @@ describe('Spanner with mock server', () => {
         sslCreds: grpc.credentials.createInsecure(),
       });
       const localInstance = localSpanner.instance('instance');
-      const localDatabase = localInstance.database(`database-pre-${dbCounter++}`);
+      const localDatabase = localInstance.database(
+        `database-pre-${dbCounter++}`,
+      );
 
       // Verify the query traces successfully without any issue or crash
-      const [rows] = await localDatabase.run({ sql: selectSql });
+      const [rows] = await localDatabase.run({sql: selectSql});
       assert.strictEqual(rows.length, 3);
 
       const finishedSpans = exporter.getFinishedSpans();
diff --git a/handwritten/spanner/webpack.config.js b/handwritten/spanner/webpack.config.js
index ee59a732626b..c8dbdbf75e1e 100644
--- a/handwritten/spanner/webpack.config.js
+++ b/handwritten/spanner/webpack.config.js
@@ -36,27 +36,27 @@ module.exports = {
       {
         test: /\.tsx?$/,
         use: 'ts-loader',
-        exclude: /node_modules/
+        exclude: /node_modules/,
       },
       {
         test: /node_modules[\\/]@grpc[\\/]grpc-js/,
-        use: 'null-loader'
+        use: 'null-loader',
       },
       {
         test: /node_modules[\\/]grpc/,
-        use: 'null-loader'
+        use: 'null-loader',
       },
       {
         test: /node_modules[\\/]retry-request/,
-        use: 'null-loader'
+        use: 'null-loader',
       },
       {
         test: /node_modules[\\/]https?-proxy-agent/,
-        use: 'null-loader'
+        use: 'null-loader',
       },
       {
         test: /node_modules[\\/]gtoken/,
-        use: 'null-loader'
+        use: 'null-loader',
       },
     ],
   },
