fix: better support for fallback mode

samples/generated/v1/applications.create_application.js

@@ -23,6 +23,9 @@
 function main() {
   // [START appengine_v1_generated_Applications_CreateApplication_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/v1/applications.get_application.js

@@ -23,6 +23,9 @@
 function main() {
   // [START appengine_v1_generated_Applications_GetApplication_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/v1/applications.repair_application.js

@@ -23,6 +23,9 @@
 function main() {
   // [START appengine_v1_generated_Applications_RepairApplication_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/v1/applications.update_application.js

@@ -23,6 +23,9 @@
 function main() {
   // [START appengine_v1_generated_Applications_UpdateApplication_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/v1/authorized_certificates.create_authorized_certificate.js

@@ -23,6 +23,9 @@
 function main() {
   // [START appengine_v1_generated_AuthorizedCertificates_CreateAuthorizedCertificate_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/v1/authorized_certificates.delete_authorized_certificate.js

@@ -23,6 +23,9 @@
 function main() {
   // [START appengine_v1_generated_AuthorizedCertificates_DeleteAuthorizedCertificate_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/v1/authorized_certificates.get_authorized_certificate.js

@@ -23,6 +23,9 @@
 function main() {
   // [START appengine_v1_generated_AuthorizedCertificates_GetAuthorizedCertificate_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/v1/authorized_certificates.list_authorized_certificates.js

@@ -23,6 +23,9 @@
 function main() {
   // [START appengine_v1_generated_AuthorizedCertificates_ListAuthorizedCertificates_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/v1/authorized_certificates.update_authorized_certificate.js

@@ -23,6 +23,9 @@
 function main() {
   // [START appengine_v1_generated_AuthorizedCertificates_UpdateAuthorizedCertificate_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/v1/authorized_domains.list_authorized_domains.js

@@ -23,6 +23,9 @@
 function main() {
   // [START appengine_v1_generated_AuthorizedDomains_ListAuthorizedDomains_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/v1/domain_mappings.create_domain_mapping.js

@@ -23,6 +23,9 @@
 function main() {
   // [START appengine_v1_generated_DomainMappings_CreateDomainMapping_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/v1/domain_mappings.delete_domain_mapping.js

@@ -23,6 +23,9 @@
 function main() {
   // [START appengine_v1_generated_DomainMappings_DeleteDomainMapping_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/v1/domain_mappings.get_domain_mapping.js

@@ -23,6 +23,9 @@
 function main() {
   // [START appengine_v1_generated_DomainMappings_GetDomainMapping_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/v1/domain_mappings.list_domain_mappings.js

@@ -23,6 +23,9 @@
 function main() {
   // [START appengine_v1_generated_DomainMappings_ListDomainMappings_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/v1/domain_mappings.update_domain_mapping.js

@@ -23,6 +23,9 @@
 function main() {
   // [START appengine_v1_generated_DomainMappings_UpdateDomainMapping_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/v1/firewall.batch_update_ingress_rules.js

@@ -23,6 +23,9 @@
 function main() {
   // [START appengine_v1_generated_Firewall_BatchUpdateIngressRules_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/v1/firewall.create_ingress_rule.js

@@ -23,6 +23,9 @@
 function main() {
   // [START appengine_v1_generated_Firewall_CreateIngressRule_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/v1/firewall.delete_ingress_rule.js

@@ -23,6 +23,9 @@
 function main() {
   // [START appengine_v1_generated_Firewall_DeleteIngressRule_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/v1/firewall.get_ingress_rule.js

@@ -23,6 +23,9 @@
 function main() {
   // [START appengine_v1_generated_Firewall_GetIngressRule_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/v1/firewall.list_ingress_rules.js

@@ -23,6 +23,9 @@
 function main() {
   // [START appengine_v1_generated_Firewall_ListIngressRules_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/v1/firewall.update_ingress_rule.js

@@ -23,6 +23,9 @@
 function main() {
   // [START appengine_v1_generated_Firewall_UpdateIngressRule_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/v1/instances.debug_instance.js

@@ -23,6 +23,9 @@
 function main() {
   // [START appengine_v1_generated_Instances_DebugInstance_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/v1/instances.delete_instance.js

@@ -23,6 +23,9 @@
 function main() {
   // [START appengine_v1_generated_Instances_DeleteInstance_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/v1/instances.get_instance.js

@@ -23,6 +23,9 @@
 function main() {
   // [START appengine_v1_generated_Instances_GetInstance_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/v1/instances.list_instances.js

@@ -23,6 +23,9 @@
 function main() {
   // [START appengine_v1_generated_Instances_ListInstances_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/v1/services.delete_service.js

@@ -23,6 +23,9 @@
 function main() {
   // [START appengine_v1_generated_Services_DeleteService_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/v1/services.get_service.js

@@ -23,6 +23,9 @@
 function main() {
   // [START appengine_v1_generated_Services_GetService_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/v1/services.list_services.js

@@ -23,6 +23,9 @@
 function main() {
   // [START appengine_v1_generated_Services_ListServices_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/v1/services.update_service.js

@@ -23,6 +23,9 @@
 function main() {
   // [START appengine_v1_generated_Services_UpdateService_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.
    */
   /**