fix: allow passing gax instance to client constructor (#557)

- [ ] Regenerate this pull request now.

PiperOrigin-RevId: 470911839

Source-Link: googleapis/googleapis@3527566

Source-Link: googleapis/googleapis-gen@f16a1d2
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiZjE2YTFkMjI0ZjAwYTYzMGVhNDNkNmE5YTFhMzFmNTY2ZjQ1Y2RlYSJ9

feat: accept google-gax instance as a parameter
Please see the documentation of the client constructor for details.

PiperOrigin-RevId: 470332808

Source-Link: googleapis/googleapis@d4a2367

Source-Link: googleapis/googleapis-gen@e97a1ac
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiZTk3YTFhYzIwNGVhZDRmZTczNDFmOTFlNzJkYjdjNmFjNjAxNjM0MSJ9

fix: better support for fallback mode
PiperOrigin-RevId: 468790263

Source-Link: googleapis/googleapis@873ab45

Source-Link: googleapis/googleapis-gen@cb6f37a
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiY2I2ZjM3YWVmZjJhMzQ3MmU0MGE3YmJhY2U4YzY3ZDc1ZTI0YmVlNSJ9

packages/google-container/samples/generated/v1/cluster_manager.cancel_operation.js

@@ -23,6 +23,9 @@
 function main() {
   // [START container_v1_generated_ClusterManager_CancelOperation_async]
   /**
+   * This snippet has been automatically generated and should be regarded as a code template only.
+   * It will require modifications to work.
+   * It may require correct/in-range values for request initialization.
    * TODO(developer): Uncomment these variables before running the sample.
    */
   /**

packages/google-container/samples/generated/v1/cluster_manager.complete_i_p_rotation.js

@@ -23,6 +23,9 @@
 function main() {
   // [START container_v1_generated_ClusterManager_CompleteIPRotation_async]
   /**
+   * This snippet has been automatically generated and should be regarded as a code template only.
+   * It will require modifications to work.
+   * It may require correct/in-range values for request initialization.
    * TODO(developer): Uncomment these variables before running the sample.
    */
   /**

packages/google-container/samples/generated/v1/cluster_manager.complete_node_pool_upgrade.js

@@ -23,6 +23,9 @@
 function main() {
   // [START container_v1_generated_ClusterManager_CompleteNodePoolUpgrade_async]
   /**
+   * This snippet has been automatically generated and should be regarded as a code template only.
+   * It will require modifications to work.
+   * It may require correct/in-range values for request initialization.
    * TODO(developer): Uncomment these variables before running the sample.
    */
   /**

packages/google-container/samples/generated/v1/cluster_manager.create_cluster.js

@@ -23,6 +23,9 @@
 function main(cluster) {
   // [START container_v1_generated_ClusterManager_CreateCluster_async]
   /**
+   * This snippet has been automatically generated and should be regarded as a code template only.
+   * It will require modifications to work.
+   * It may require correct/in-range values for request initialization.
    * TODO(developer): Uncomment these variables before running the sample.
    */
   /**

packages/google-container/samples/generated/v1/cluster_manager.create_node_pool.js

@@ -23,6 +23,9 @@
 function main(nodePool) {
   // [START container_v1_generated_ClusterManager_CreateNodePool_async]
   /**
+   * This snippet has been automatically generated and should be regarded as a code template only.
+   * It will require modifications to work.
+   * It may require correct/in-range values for request initialization.
    * TODO(developer): Uncomment these variables before running the sample.
    */
   /**

packages/google-container/samples/generated/v1/cluster_manager.delete_cluster.js

@@ -23,6 +23,9 @@
 function main() {
   // [START container_v1_generated_ClusterManager_DeleteCluster_async]
   /**
+   * This snippet has been automatically generated and should be regarded as a code template only.
+   * It will require modifications to work.
+   * It may require correct/in-range values for request initialization.
    * TODO(developer): Uncomment these variables before running the sample.
    */
   /**

packages/google-container/samples/generated/v1/cluster_manager.delete_node_pool.js

@@ -23,6 +23,9 @@
 function main() {
   // [START container_v1_generated_ClusterManager_DeleteNodePool_async]
   /**
+   * This snippet has been automatically generated and should be regarded as a code template only.
+   * It will require modifications to work.
+   * It may require correct/in-range values for request initialization.
    * TODO(developer): Uncomment these variables before running the sample.
    */
   /**

packages/google-container/samples/generated/v1/cluster_manager.get_cluster.js

@@ -23,6 +23,9 @@
 function main() {
   // [START container_v1_generated_ClusterManager_GetCluster_async]
   /**
+   * This snippet has been automatically generated and should be regarded as a code template only.
+   * It will require modifications to work.
+   * It may require correct/in-range values for request initialization.
    * TODO(developer): Uncomment these variables before running the sample.
    */
   /**

packages/google-container/samples/generated/v1/cluster_manager.get_j_s_o_n_web_keys.js

@@ -23,6 +23,9 @@
 function main() {
   // [START container_v1_generated_ClusterManager_GetJSONWebKeys_async]
   /**
+   * This snippet has been automatically generated and should be regarded as a code template only.
+   * It will require modifications to work.
+   * It may require correct/in-range values for request initialization.
    * TODO(developer): Uncomment these variables before running the sample.
    */
   /**

packages/google-container/samples/generated/v1/cluster_manager.get_node_pool.js

@@ -23,6 +23,9 @@
 function main() {
   // [START container_v1_generated_ClusterManager_GetNodePool_async]
   /**
+   * This snippet has been automatically generated and should be regarded as a code template only.
+   * It will require modifications to work.
+   * It may require correct/in-range values for request initialization.
    * TODO(developer): Uncomment these variables before running the sample.
    */
   /**

packages/google-container/samples/generated/v1/cluster_manager.get_operation.js

@@ -23,6 +23,9 @@
 function main() {
   // [START container_v1_generated_ClusterManager_GetOperation_async]
   /**
+   * This snippet has been automatically generated and should be regarded as a code template only.
+   * It will require modifications to work.
+   * It may require correct/in-range values for request initialization.
    * TODO(developer): Uncomment these variables before running the sample.
    */
   /**

packages/google-container/samples/generated/v1/cluster_manager.get_server_config.js

@@ -23,6 +23,9 @@
 function main() {
   // [START container_v1_generated_ClusterManager_GetServerConfig_async]
   /**
+   * This snippet has been automatically generated and should be regarded as a code template only.
+   * It will require modifications to work.
+   * It may require correct/in-range values for request initialization.
    * TODO(developer): Uncomment these variables before running the sample.
    */
   /**

packages/google-container/samples/generated/v1/cluster_manager.list_clusters.js

@@ -23,6 +23,9 @@
 function main() {
   // [START container_v1_generated_ClusterManager_ListClusters_async]
   /**
+   * This snippet has been automatically generated and should be regarded as a code template only.
+   * It will require modifications to work.
+   * It may require correct/in-range values for request initialization.
    * TODO(developer): Uncomment these variables before running the sample.
    */
   /**

packages/google-container/samples/generated/v1/cluster_manager.list_node_pools.js

@@ -23,6 +23,9 @@
 function main() {
   // [START container_v1_generated_ClusterManager_ListNodePools_async]
   /**
+   * This snippet has been automatically generated and should be regarded as a code template only.
+   * It will require modifications to work.
+   * It may require correct/in-range values for request initialization.
    * TODO(developer): Uncomment these variables before running the sample.
    */
   /**

packages/google-container/samples/generated/v1/cluster_manager.list_operations.js

@@ -23,6 +23,9 @@
 function main() {
   // [START container_v1_generated_ClusterManager_ListOperations_async]
   /**
+   * This snippet has been automatically generated and should be regarded as a code template only.
+   * It will require modifications to work.
+   * It may require correct/in-range values for request initialization.
    * TODO(developer): Uncomment these variables before running the sample.
    */
   /**

packages/google-container/samples/generated/v1/cluster_manager.list_usable_subnetworks.js

@@ -23,6 +23,9 @@
 function main() {
   // [START container_v1_generated_ClusterManager_ListUsableSubnetworks_async]
   /**
+   * This snippet has been automatically generated and should be regarded as a code template only.
+   * It will require modifications to work.
+   * It may require correct/in-range values for request initialization.
    * TODO(developer): Uncomment these variables before running the sample.
    */
   /**

packages/google-container/samples/generated/v1/cluster_manager.rollback_node_pool_upgrade.js

@@ -23,6 +23,9 @@
 function main() {
   // [START container_v1_generated_ClusterManager_RollbackNodePoolUpgrade_async]
   /**
+   * This snippet has been automatically generated and should be regarded as a code template only.
+   * It will require modifications to work.
+   * It may require correct/in-range values for request initialization.
    * TODO(developer): Uncomment these variables before running the sample.
    */
   /**

packages/google-container/samples/generated/v1/cluster_manager.set_addons_config.js

@@ -23,6 +23,9 @@
 function main(addonsConfig) {
   // [START container_v1_generated_ClusterManager_SetAddonsConfig_async]
   /**
+   * This snippet has been automatically generated and should be regarded as a code template only.
+   * It will require modifications to work.
+   * It may require correct/in-range values for request initialization.
    * TODO(developer): Uncomment these variables before running the sample.
    */
   /**

packages/google-container/samples/generated/v1/cluster_manager.set_labels.js

@@ -23,6 +23,9 @@
 function main(resourceLabels, labelFingerprint) {
   // [START container_v1_generated_ClusterManager_SetLabels_async]
   /**
+   * This snippet has been automatically generated and should be regarded as a code template only.
+   * It will require modifications to work.
+   * It may require correct/in-range values for request initialization.
    * TODO(developer): Uncomment these variables before running the sample.
    */
   /**

packages/google-container/samples/generated/v1/cluster_manager.set_legacy_abac.js

@@ -23,6 +23,9 @@
 function main(enabled) {
   // [START container_v1_generated_ClusterManager_SetLegacyAbac_async]
   /**
+   * This snippet has been automatically generated and should be regarded as a code template only.
+   * It will require modifications to work.
+   * It may require correct/in-range values for request initialization.
    * TODO(developer): Uncomment these variables before running the sample.
    */
   /**

packages/google-container/samples/generated/v1/cluster_manager.set_locations.js

@@ -23,6 +23,9 @@
 function main(locations) {
   // [START container_v1_generated_ClusterManager_SetLocations_async]
   /**
+   * This snippet has been automatically generated and should be regarded as a code template only.
+   * It will require modifications to work.
+   * It may require correct/in-range values for request initialization.
    * TODO(developer): Uncomment these variables before running the sample.
    */
   /**

packages/google-container/samples/generated/v1/cluster_manager.set_logging_service.js

@@ -23,6 +23,9 @@
 function main(loggingService) {
   // [START container_v1_generated_ClusterManager_SetLoggingService_async]
   /**
+   * This snippet has been automatically generated and should be regarded as a code template only.
+   * It will require modifications to work.
+   * It may require correct/in-range values for request initialization.
    * TODO(developer): Uncomment these variables before running the sample.
    */
   /**

packages/google-container/samples/generated/v1/cluster_manager.set_maintenance_policy.js

@@ -23,6 +23,9 @@
 function main(projectId, zone, clusterId, maintenancePolicy) {
   // [START container_v1_generated_ClusterManager_SetMaintenancePolicy_async]
   /**
+   * This snippet has been automatically generated and should be regarded as a code template only.
+   * It will require modifications to work.
+   * It may require correct/in-range values for request initialization.
    * TODO(developer): Uncomment these variables before running the sample.
    */
   /**

packages/google-container/samples/generated/v1/cluster_manager.set_master_auth.js

@@ -23,6 +23,9 @@
 function main(action, update) {
   // [START container_v1_generated_ClusterManager_SetMasterAuth_async]
   /**
+   * This snippet has been automatically generated and should be regarded as a code template only.
+   * It will require modifications to work.
+   * It may require correct/in-range values for request initialization.
    * TODO(developer): Uncomment these variables before running the sample.
    */
   /**

packages/google-container/samples/generated/v1/cluster_manager.set_monitoring_service.js

@@ -23,6 +23,9 @@
 function main(monitoringService) {
   // [START container_v1_generated_ClusterManager_SetMonitoringService_async]
   /**
+   * This snippet has been automatically generated and should be regarded as a code template only.
+   * It will require modifications to work.
+   * It may require correct/in-range values for request initialization.
    * TODO(developer): Uncomment these variables before running the sample.
    */
   /**

packages/google-container/samples/generated/v1/cluster_manager.set_network_policy.js

@@ -23,6 +23,9 @@
 function main(networkPolicy) {
   // [START container_v1_generated_ClusterManager_SetNetworkPolicy_async]
   /**
+   * This snippet has been automatically generated and should be regarded as a code template only.
+   * It will require modifications to work.
+   * It may require correct/in-range values for request initialization.
    * TODO(developer): Uncomment these variables before running the sample.
    */
   /**

packages/google-container/samples/generated/v1/cluster_manager.set_node_pool_autoscaling.js

@@ -23,6 +23,9 @@
 function main(autoscaling) {
   // [START container_v1_generated_ClusterManager_SetNodePoolAutoscaling_async]
   /**
+   * This snippet has been automatically generated and should be regarded as a code template only.
+   * It will require modifications to work.
+   * It may require correct/in-range values for request initialization.
    * TODO(developer): Uncomment these variables before running the sample.
    */
   /**

packages/google-container/samples/generated/v1/cluster_manager.set_node_pool_management.js

@@ -23,6 +23,9 @@
 function main(management) {
   // [START container_v1_generated_ClusterManager_SetNodePoolManagement_async]
   /**
+   * This snippet has been automatically generated and should be regarded as a code template only.
+   * It will require modifications to work.
+   * It may require correct/in-range values for request initialization.
    * TODO(developer): Uncomment these variables before running the sample.
    */
   /**

packages/google-container/samples/generated/v1/cluster_manager.set_node_pool_size.js

@@ -23,6 +23,9 @@
 function main(nodeCount) {
   // [START container_v1_generated_ClusterManager_SetNodePoolSize_async]
   /**
+   * This snippet has been automatically generated and should be regarded as a code template only.
+   * It will require modifications to work.
+   * It may require correct/in-range values for request initialization.
    * TODO(developer): Uncomment these variables before running the sample.
    */
   /**

packages/google-container/samples/generated/v1/cluster_manager.start_i_p_rotation.js

@@ -23,6 +23,9 @@
 function main() {
   // [START container_v1_generated_ClusterManager_StartIPRotation_async]
   /**
+   * This snippet has been automatically generated and should be regarded as a code template only.
+   * It will require modifications to work.
+   * It may require correct/in-range values for request initialization.
    * TODO(developer): Uncomment these variables before running the sample.
    */
   /**

packages/google-container/samples/generated/v1/cluster_manager.update_cluster.js

@@ -23,6 +23,9 @@
 function main(update) {
   // [START container_v1_generated_ClusterManager_UpdateCluster_async]
   /**
+   * This snippet has been automatically generated and should be regarded as a code template only.
+   * It will require modifications to work.
+   * It may require correct/in-range values for request initialization.
    * TODO(developer): Uncomment these variables before running the sample.
    */
   /**

packages/google-container/samples/generated/v1/cluster_manager.update_master.js

@@ -23,6 +23,9 @@
 function main(masterVersion) {
   // [START container_v1_generated_ClusterManager_UpdateMaster_async]
   /**
+   * This snippet has been automatically generated and should be regarded as a code template only.
+   * It will require modifications to work.
+   * It may require correct/in-range values for request initialization.
    * TODO(developer): Uncomment these variables before running the sample.
    */
   /**

packages/google-container/samples/generated/v1/cluster_manager.update_node_pool.js

@@ -23,6 +23,9 @@
 function main(nodeVersion, imageType) {
   // [START container_v1_generated_ClusterManager_UpdateNodePool_async]
   /**
+   * This snippet has been automatically generated and should be regarded as a code template only.
+   * It will require modifications to work.
+   * It may require correct/in-range values for request initialization.
    * TODO(developer): Uncomment these variables before running the sample.
    */
   /**