fix: better support for fallback mode (#305)

- [ ] Regenerate this pull request now.

PiperOrigin-RevId: 468790263

Source-Link: googleapis/googleapis@873ab45

Source-Link: https://github.com/googleapis/googleapis-gen/commit/cb6f37aeff2a3472e40a7bbace8c67d75e24bee5
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiY2I2ZjM3YWVmZjJhMzQ3MmU0MGE3YmJhY2U4YzY3ZDc1ZTI0YmVlNSJ9

samples/generated/v3/agents.create_agent.js

@@ -23,6 +23,9 @@
 function main(parent, agent) {
   // [START dialogflow_v3_generated_Agents_CreateAgent_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.
    */
   /**

samples/generated/v3/agents.delete_agent.js

@@ -23,6 +23,9 @@
 function main(name) {
   // [START dialogflow_v3_generated_Agents_DeleteAgent_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.
    */
   /**

samples/generated/v3/agents.export_agent.js

@@ -23,6 +23,9 @@
 function main(name) {
   // [START dialogflow_v3_generated_Agents_ExportAgent_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.
    */
   /**

samples/generated/v3/agents.get_agent.js

@@ -23,6 +23,9 @@
 function main(name) {
   // [START dialogflow_v3_generated_Agents_GetAgent_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.
    */
   /**

samples/generated/v3/agents.get_agent_validation_result.js

@@ -23,6 +23,9 @@
 function main(name) {
   // [START dialogflow_v3_generated_Agents_GetAgentValidationResult_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.
    */
   /**

samples/generated/v3/agents.list_agents.js

@@ -23,6 +23,9 @@
 function main(parent) {
   // [START dialogflow_v3_generated_Agents_ListAgents_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.
    */
   /**

samples/generated/v3/agents.restore_agent.js

@@ -23,6 +23,9 @@
 function main(name) {
   // [START dialogflow_v3_generated_Agents_RestoreAgent_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.
    */
   /**

samples/generated/v3/agents.update_agent.js

@@ -23,6 +23,9 @@
 function main(agent) {
   // [START dialogflow_v3_generated_Agents_UpdateAgent_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.
    */
   /**

samples/generated/v3/agents.validate_agent.js

@@ -23,6 +23,9 @@
 function main(name) {
   // [START dialogflow_v3_generated_Agents_ValidateAgent_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.
    */
   /**

samples/generated/v3/changelogs.get_changelog.js

@@ -23,6 +23,9 @@
 function main(name) {
   // [START dialogflow_v3_generated_Changelogs_GetChangelog_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.
    */
   /**

samples/generated/v3/changelogs.list_changelogs.js

@@ -23,6 +23,9 @@
 function main(parent) {
   // [START dialogflow_v3_generated_Changelogs_ListChangelogs_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.
    */
   /**

samples/generated/v3/deployments.get_deployment.js

@@ -23,6 +23,9 @@
 function main(name) {
   // [START dialogflow_v3_generated_Deployments_GetDeployment_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.
    */
   /**

samples/generated/v3/deployments.list_deployments.js

@@ -23,6 +23,9 @@
 function main(parent) {
   // [START dialogflow_v3_generated_Deployments_ListDeployments_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.
    */
   /**

samples/generated/v3/entity_types.create_entity_type.js

@@ -23,6 +23,9 @@
 function main(parent, entityType) {
   // [START dialogflow_v3_generated_EntityTypes_CreateEntityType_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.
    */
   /**

samples/generated/v3/entity_types.delete_entity_type.js

@@ -23,6 +23,9 @@
 function main(name) {
   // [START dialogflow_v3_generated_EntityTypes_DeleteEntityType_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.
    */
   /**

samples/generated/v3/entity_types.get_entity_type.js

@@ -23,6 +23,9 @@
 function main(name) {
   // [START dialogflow_v3_generated_EntityTypes_GetEntityType_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.
    */
   /**

samples/generated/v3/entity_types.list_entity_types.js

@@ -23,6 +23,9 @@
 function main(parent) {
   // [START dialogflow_v3_generated_EntityTypes_ListEntityTypes_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.
    */
   /**

samples/generated/v3/entity_types.update_entity_type.js

@@ -23,6 +23,9 @@
 function main(entityType) {
   // [START dialogflow_v3_generated_EntityTypes_UpdateEntityType_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.
    */
   /**

samples/generated/v3/environments.create_environment.js

@@ -23,6 +23,9 @@
 function main(parent, environment) {
   // [START dialogflow_v3_generated_Environments_CreateEnvironment_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.
    */
   /**

samples/generated/v3/environments.delete_environment.js

@@ -23,6 +23,9 @@
 function main(name) {
   // [START dialogflow_v3_generated_Environments_DeleteEnvironment_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.
    */
   /**

samples/generated/v3/environments.deploy_flow.js

@@ -23,6 +23,9 @@
 function main(environment, flowVersion) {
   // [START dialogflow_v3_generated_Environments_DeployFlow_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.
    */
   /**

samples/generated/v3/environments.get_environment.js

@@ -23,6 +23,9 @@
 function main(name) {
   // [START dialogflow_v3_generated_Environments_GetEnvironment_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.
    */
   /**

samples/generated/v3/environments.list_continuous_test_results.js

@@ -23,6 +23,9 @@
 function main(parent) {
   // [START dialogflow_v3_generated_Environments_ListContinuousTestResults_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.
    */
   /**

samples/generated/v3/environments.list_environments.js

@@ -23,6 +23,9 @@
 function main(parent) {
   // [START dialogflow_v3_generated_Environments_ListEnvironments_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.
    */
   /**

samples/generated/v3/environments.lookup_environment_history.js

@@ -23,6 +23,9 @@
 function main(name) {
   // [START dialogflow_v3_generated_Environments_LookupEnvironmentHistory_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.
    */
   /**

samples/generated/v3/environments.run_continuous_test.js

@@ -23,6 +23,9 @@
 function main(environment) {
   // [START dialogflow_v3_generated_Environments_RunContinuousTest_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.
    */
   /**

samples/generated/v3/environments.update_environment.js

@@ -23,6 +23,9 @@
 function main(environment, updateMask) {
   // [START dialogflow_v3_generated_Environments_UpdateEnvironment_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.
    */
   /**

samples/generated/v3/experiments.create_experiment.js

@@ -23,6 +23,9 @@
 function main(parent, experiment) {
   // [START dialogflow_v3_generated_Experiments_CreateExperiment_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.
    */
   /**

samples/generated/v3/experiments.delete_experiment.js

@@ -23,6 +23,9 @@
 function main(name) {
   // [START dialogflow_v3_generated_Experiments_DeleteExperiment_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.
    */
   /**

samples/generated/v3/experiments.get_experiment.js

@@ -23,6 +23,9 @@
 function main(name) {
   // [START dialogflow_v3_generated_Experiments_GetExperiment_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.
    */
   /**

samples/generated/v3/experiments.list_experiments.js

@@ -23,6 +23,9 @@
 function main(parent) {
   // [START dialogflow_v3_generated_Experiments_ListExperiments_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.
    */
   /**

samples/generated/v3/experiments.start_experiment.js

@@ -23,6 +23,9 @@
 function main(name) {
   // [START dialogflow_v3_generated_Experiments_StartExperiment_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.
    */
   /**

samples/generated/v3/experiments.stop_experiment.js

@@ -23,6 +23,9 @@
 function main(name) {
   // [START dialogflow_v3_generated_Experiments_StopExperiment_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.
    */
   /**

samples/generated/v3/experiments.update_experiment.js

@@ -23,6 +23,9 @@
 function main(experiment, updateMask) {
   // [START dialogflow_v3_generated_Experiments_UpdateExperiment_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.
    */
   /**

samples/generated/v3/flows.create_flow.js

@@ -23,6 +23,9 @@
 function main(parent, flow) {
   // [START dialogflow_v3_generated_Flows_CreateFlow_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.
    */
   /**

samples/generated/v3/flows.delete_flow.js

@@ -23,6 +23,9 @@
 function main(name) {
   // [START dialogflow_v3_generated_Flows_DeleteFlow_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.
    */
   /**

samples/generated/v3/flows.export_flow.js

@@ -23,6 +23,9 @@
 function main(name) {
   // [START dialogflow_v3_generated_Flows_ExportFlow_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.
    */
   /**

samples/generated/v3/flows.get_flow.js

@@ -23,6 +23,9 @@
 function main(name) {
   // [START dialogflow_v3_generated_Flows_GetFlow_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.
    */
   /**

samples/generated/v3/flows.get_flow_validation_result.js

@@ -23,6 +23,9 @@
 function main(name) {
   // [START dialogflow_v3_generated_Flows_GetFlowValidationResult_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.
    */
   /**

samples/generated/v3/flows.import_flow.js

@@ -23,6 +23,9 @@
 function main(parent) {
   // [START dialogflow_v3_generated_Flows_ImportFlow_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.
    */
   /**