feat!: owlbot updates for Spanner V2

Spanner/src/Admin/Database/V1/Client/DatabaseAdminClient.php

@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright 2023 Google LLC
+ * Copyright 2024 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -28,7 +28,6 @@
 use Google\ApiCore\CredentialsWrapper;
 use Google\ApiCore\GapicClientTrait;
 use Google\ApiCore\InsecureCredentialsWrapper;
-use Google\ApiCore\LongRunning\OperationsClient;
 use Google\ApiCore\OperationResponse;
 use Google\ApiCore\PagedListResponse;
 use Google\ApiCore\ResourceHelperTrait;
@@ -73,6 +72,7 @@
 use Google\Cloud\Spanner\Admin\Database\V1\UpdateDatabaseDdlRequest;
 use Google\Cloud\Spanner\Admin\Database\V1\UpdateDatabaseMetadata;
 use Google\Cloud\Spanner\Admin\Database\V1\UpdateDatabaseRequest;
+use Google\LongRunning\Client\OperationsClient;
 use Google\LongRunning\Operation;
 use Grpc\ChannelCredentials;
 use GuzzleHttp\Promise\PromiseInterface;
@@ -200,6 +200,25 @@ public function resumeOperation($operationName, $methodName = null)
         return $operation;
     }
 
+    /**
+     * Create the default operation client for the service.
+     *
+     * @param array $options ClientOptions for the client.
+     *
+     * @return OperationsClient
+     */
+    private function createOperationsClient(array $options)
+    {
+        // Unset client-specific configuration options
+        unset($options['serviceName'], $options['clientConfig'], $options['descriptorsConfigPath']);
+
+        if (isset($options['operationsClient'])) {
+            return $options['operationsClient'];
+        }
+
+        return new OperationsClient($options);
+    }
+
     /**
      * Formats a string containing the fully-qualified path to represent a backup
      * resource.