fix: better support for fallback mode (#150)

- [ ] Regenerate this pull request now.

PiperOrigin-RevId: 468790263

Source-Link: googleapis/googleapis@873ab45

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

Author: gcf-owl-bot[bot]

packages/google-appengine/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.
    */
   /**

packages/google-appengine/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.
    */
   /**

packages/google-appengine/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.
    */
   /**

packages/google-appengine/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.
    */
   /**

packages/google-appengine/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.
    */
   /**

packages/google-appengine/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.
    */
   /**

packages/google-appengine/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.
    */
   /**

packages/google-appengine/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.
    */
   /**

packages/google-appengine/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.
    */
   /**

packages/google-appengine/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.
    */
   /**