diff --git a/packages/google-cloud-kms/samples/generated/v1/ekm_service.create_ekm_connection.js b/packages/google-cloud-kms/samples/generated/v1/ekm_service.create_ekm_connection.js
index ffa0ee0f6da..20cf4e1d080 100644
--- a/packages/google-cloud-kms/samples/generated/v1/ekm_service.create_ekm_connection.js
+++ b/packages/google-cloud-kms/samples/generated/v1/ekm_service.create_ekm_connection.js
@@ -23,6 +23,9 @@
 function main(parent, ekmConnectionId, ekmConnection) {
   // [START cloudkms_v1_generated_EkmService_CreateEkmConnection_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.
    */
   /**
diff --git a/packages/google-cloud-kms/samples/generated/v1/ekm_service.get_ekm_connection.js b/packages/google-cloud-kms/samples/generated/v1/ekm_service.get_ekm_connection.js
index b249163cbad..80d65151dc5 100644
--- a/packages/google-cloud-kms/samples/generated/v1/ekm_service.get_ekm_connection.js
+++ b/packages/google-cloud-kms/samples/generated/v1/ekm_service.get_ekm_connection.js
@@ -23,6 +23,9 @@
 function main(name) {
   // [START cloudkms_v1_generated_EkmService_GetEkmConnection_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.
    */
   /**
diff --git a/packages/google-cloud-kms/samples/generated/v1/ekm_service.list_ekm_connections.js b/packages/google-cloud-kms/samples/generated/v1/ekm_service.list_ekm_connections.js
index 9a6e9b64fea..d3bac46d713 100644
--- a/packages/google-cloud-kms/samples/generated/v1/ekm_service.list_ekm_connections.js
+++ b/packages/google-cloud-kms/samples/generated/v1/ekm_service.list_ekm_connections.js
@@ -23,6 +23,9 @@
 function main(parent) {
   // [START cloudkms_v1_generated_EkmService_ListEkmConnections_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.
    */
   /**
diff --git a/packages/google-cloud-kms/samples/generated/v1/ekm_service.update_ekm_connection.js b/packages/google-cloud-kms/samples/generated/v1/ekm_service.update_ekm_connection.js
index 66ddc32b5b8..0fadde190c4 100644
--- a/packages/google-cloud-kms/samples/generated/v1/ekm_service.update_ekm_connection.js
+++ b/packages/google-cloud-kms/samples/generated/v1/ekm_service.update_ekm_connection.js
@@ -23,6 +23,9 @@
 function main(ekmConnection, updateMask) {
   // [START cloudkms_v1_generated_EkmService_UpdateEkmConnection_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.
    */
   /**
diff --git a/packages/google-cloud-kms/samples/generated/v1/key_management_service.asymmetric_decrypt.js b/packages/google-cloud-kms/samples/generated/v1/key_management_service.asymmetric_decrypt.js
index a148cf9a7f9..6e772ba2b78 100644
--- a/packages/google-cloud-kms/samples/generated/v1/key_management_service.asymmetric_decrypt.js
+++ b/packages/google-cloud-kms/samples/generated/v1/key_management_service.asymmetric_decrypt.js
@@ -23,6 +23,9 @@
 function main(name, ciphertext) {
   // [START cloudkms_v1_generated_KeyManagementService_AsymmetricDecrypt_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.
    */
   /**
diff --git a/packages/google-cloud-kms/samples/generated/v1/key_management_service.asymmetric_sign.js b/packages/google-cloud-kms/samples/generated/v1/key_management_service.asymmetric_sign.js
index 1877b0ade1c..4e01afcc121 100644
--- a/packages/google-cloud-kms/samples/generated/v1/key_management_service.asymmetric_sign.js
+++ b/packages/google-cloud-kms/samples/generated/v1/key_management_service.asymmetric_sign.js
@@ -23,6 +23,9 @@
 function main(name) {
   // [START cloudkms_v1_generated_KeyManagementService_AsymmetricSign_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.
    */
   /**
diff --git a/packages/google-cloud-kms/samples/generated/v1/key_management_service.create_crypto_key.js b/packages/google-cloud-kms/samples/generated/v1/key_management_service.create_crypto_key.js
index 7c717e22e89..2d9d8b43f30 100644
--- a/packages/google-cloud-kms/samples/generated/v1/key_management_service.create_crypto_key.js
+++ b/packages/google-cloud-kms/samples/generated/v1/key_management_service.create_crypto_key.js
@@ -23,6 +23,9 @@
 function main(parent, cryptoKeyId, cryptoKey) {
   // [START cloudkms_v1_generated_KeyManagementService_CreateCryptoKey_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.
    */
   /**
diff --git a/packages/google-cloud-kms/samples/generated/v1/key_management_service.create_crypto_key_version.js b/packages/google-cloud-kms/samples/generated/v1/key_management_service.create_crypto_key_version.js
index 295a41d0c1b..bda6f33b362 100644
--- a/packages/google-cloud-kms/samples/generated/v1/key_management_service.create_crypto_key_version.js
+++ b/packages/google-cloud-kms/samples/generated/v1/key_management_service.create_crypto_key_version.js
@@ -23,6 +23,9 @@
 function main(parent, cryptoKeyVersion) {
   // [START cloudkms_v1_generated_KeyManagementService_CreateCryptoKeyVersion_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.
    */
   /**
diff --git a/packages/google-cloud-kms/samples/generated/v1/key_management_service.create_import_job.js b/packages/google-cloud-kms/samples/generated/v1/key_management_service.create_import_job.js
index f11b1c89a42..93b266b95a9 100644
--- a/packages/google-cloud-kms/samples/generated/v1/key_management_service.create_import_job.js
+++ b/packages/google-cloud-kms/samples/generated/v1/key_management_service.create_import_job.js
@@ -23,6 +23,9 @@
 function main(parent, importJobId, importJob) {
   // [START cloudkms_v1_generated_KeyManagementService_CreateImportJob_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.
    */
   /**
diff --git a/packages/google-cloud-kms/samples/generated/v1/key_management_service.create_key_ring.js b/packages/google-cloud-kms/samples/generated/v1/key_management_service.create_key_ring.js
index 951be4dbeb3..f27db38419a 100644
--- a/packages/google-cloud-kms/samples/generated/v1/key_management_service.create_key_ring.js
+++ b/packages/google-cloud-kms/samples/generated/v1/key_management_service.create_key_ring.js
@@ -23,6 +23,9 @@
 function main(parent, keyRingId, keyRing) {
   // [START cloudkms_v1_generated_KeyManagementService_CreateKeyRing_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.
    */
   /**
diff --git a/packages/google-cloud-kms/samples/generated/v1/key_management_service.decrypt.js b/packages/google-cloud-kms/samples/generated/v1/key_management_service.decrypt.js
index fd2e7d74bdf..fa70e8bf558 100644
--- a/packages/google-cloud-kms/samples/generated/v1/key_management_service.decrypt.js
+++ b/packages/google-cloud-kms/samples/generated/v1/key_management_service.decrypt.js
@@ -23,6 +23,9 @@
 function main(name, ciphertext) {
   // [START cloudkms_v1_generated_KeyManagementService_Decrypt_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.
    */
   /**
diff --git a/packages/google-cloud-kms/samples/generated/v1/key_management_service.destroy_crypto_key_version.js b/packages/google-cloud-kms/samples/generated/v1/key_management_service.destroy_crypto_key_version.js
index 75294ff06bc..62205e8e099 100644
--- a/packages/google-cloud-kms/samples/generated/v1/key_management_service.destroy_crypto_key_version.js
+++ b/packages/google-cloud-kms/samples/generated/v1/key_management_service.destroy_crypto_key_version.js
@@ -23,6 +23,9 @@
 function main(name) {
   // [START cloudkms_v1_generated_KeyManagementService_DestroyCryptoKeyVersion_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.
    */
   /**
diff --git a/packages/google-cloud-kms/samples/generated/v1/key_management_service.encrypt.js b/packages/google-cloud-kms/samples/generated/v1/key_management_service.encrypt.js
index 172b8236f85..b3a69376f2b 100644
--- a/packages/google-cloud-kms/samples/generated/v1/key_management_service.encrypt.js
+++ b/packages/google-cloud-kms/samples/generated/v1/key_management_service.encrypt.js
@@ -23,6 +23,9 @@
 function main(name, plaintext) {
   // [START cloudkms_v1_generated_KeyManagementService_Encrypt_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.
    */
   /**
diff --git a/packages/google-cloud-kms/samples/generated/v1/key_management_service.generate_random_bytes.js b/packages/google-cloud-kms/samples/generated/v1/key_management_service.generate_random_bytes.js
index 80aaee7712d..1136d8c30c5 100644
--- a/packages/google-cloud-kms/samples/generated/v1/key_management_service.generate_random_bytes.js
+++ b/packages/google-cloud-kms/samples/generated/v1/key_management_service.generate_random_bytes.js
@@ -23,6 +23,9 @@
 function main() {
   // [START cloudkms_v1_generated_KeyManagementService_GenerateRandomBytes_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.
    */
   /**
diff --git a/packages/google-cloud-kms/samples/generated/v1/key_management_service.get_crypto_key.js b/packages/google-cloud-kms/samples/generated/v1/key_management_service.get_crypto_key.js
index 1ecd812b907..feac5763327 100644
--- a/packages/google-cloud-kms/samples/generated/v1/key_management_service.get_crypto_key.js
+++ b/packages/google-cloud-kms/samples/generated/v1/key_management_service.get_crypto_key.js
@@ -23,6 +23,9 @@
 function main(name) {
   // [START cloudkms_v1_generated_KeyManagementService_GetCryptoKey_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.
    */
   /**
diff --git a/packages/google-cloud-kms/samples/generated/v1/key_management_service.get_crypto_key_version.js b/packages/google-cloud-kms/samples/generated/v1/key_management_service.get_crypto_key_version.js
index 87b6bfa7aab..45d20671715 100644
--- a/packages/google-cloud-kms/samples/generated/v1/key_management_service.get_crypto_key_version.js
+++ b/packages/google-cloud-kms/samples/generated/v1/key_management_service.get_crypto_key_version.js
@@ -23,6 +23,9 @@
 function main(name) {
   // [START cloudkms_v1_generated_KeyManagementService_GetCryptoKeyVersion_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.
    */
   /**
diff --git a/packages/google-cloud-kms/samples/generated/v1/key_management_service.get_import_job.js b/packages/google-cloud-kms/samples/generated/v1/key_management_service.get_import_job.js
index bb68270ced1..a2ad85f10fb 100644
--- a/packages/google-cloud-kms/samples/generated/v1/key_management_service.get_import_job.js
+++ b/packages/google-cloud-kms/samples/generated/v1/key_management_service.get_import_job.js
@@ -23,6 +23,9 @@
 function main(name) {
   // [START cloudkms_v1_generated_KeyManagementService_GetImportJob_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.
    */
   /**
diff --git a/packages/google-cloud-kms/samples/generated/v1/key_management_service.get_key_ring.js b/packages/google-cloud-kms/samples/generated/v1/key_management_service.get_key_ring.js
index ca4efde47f8..7b196a918a6 100644
--- a/packages/google-cloud-kms/samples/generated/v1/key_management_service.get_key_ring.js
+++ b/packages/google-cloud-kms/samples/generated/v1/key_management_service.get_key_ring.js
@@ -23,6 +23,9 @@
 function main(name) {
   // [START cloudkms_v1_generated_KeyManagementService_GetKeyRing_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.
    */
   /**
diff --git a/packages/google-cloud-kms/samples/generated/v1/key_management_service.get_public_key.js b/packages/google-cloud-kms/samples/generated/v1/key_management_service.get_public_key.js
index fbdf9d1bf72..4ed8b8f64a9 100644
--- a/packages/google-cloud-kms/samples/generated/v1/key_management_service.get_public_key.js
+++ b/packages/google-cloud-kms/samples/generated/v1/key_management_service.get_public_key.js
@@ -23,6 +23,9 @@
 function main(name) {
   // [START cloudkms_v1_generated_KeyManagementService_GetPublicKey_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.
    */
   /**
diff --git a/packages/google-cloud-kms/samples/generated/v1/key_management_service.import_crypto_key_version.js b/packages/google-cloud-kms/samples/generated/v1/key_management_service.import_crypto_key_version.js
index 315b3048d77..9aa2b37b0b8 100644
--- a/packages/google-cloud-kms/samples/generated/v1/key_management_service.import_crypto_key_version.js
+++ b/packages/google-cloud-kms/samples/generated/v1/key_management_service.import_crypto_key_version.js
@@ -23,6 +23,9 @@
 function main(parent, algorithm, importJob) {
   // [START cloudkms_v1_generated_KeyManagementService_ImportCryptoKeyVersion_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.
    */
   /**
diff --git a/packages/google-cloud-kms/samples/generated/v1/key_management_service.list_crypto_key_versions.js b/packages/google-cloud-kms/samples/generated/v1/key_management_service.list_crypto_key_versions.js
index ad5c2cc09db..ac7a0f046d6 100644
--- a/packages/google-cloud-kms/samples/generated/v1/key_management_service.list_crypto_key_versions.js
+++ b/packages/google-cloud-kms/samples/generated/v1/key_management_service.list_crypto_key_versions.js
@@ -23,6 +23,9 @@
 function main(parent) {
   // [START cloudkms_v1_generated_KeyManagementService_ListCryptoKeyVersions_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.
    */
   /**
diff --git a/packages/google-cloud-kms/samples/generated/v1/key_management_service.list_crypto_keys.js b/packages/google-cloud-kms/samples/generated/v1/key_management_service.list_crypto_keys.js
index 1c22065eed8..697f55b014d 100644
--- a/packages/google-cloud-kms/samples/generated/v1/key_management_service.list_crypto_keys.js
+++ b/packages/google-cloud-kms/samples/generated/v1/key_management_service.list_crypto_keys.js
@@ -23,6 +23,9 @@
 function main(parent) {
   // [START cloudkms_v1_generated_KeyManagementService_ListCryptoKeys_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.
    */
   /**
diff --git a/packages/google-cloud-kms/samples/generated/v1/key_management_service.list_import_jobs.js b/packages/google-cloud-kms/samples/generated/v1/key_management_service.list_import_jobs.js
index 00198e1cc65..856ac38442a 100644
--- a/packages/google-cloud-kms/samples/generated/v1/key_management_service.list_import_jobs.js
+++ b/packages/google-cloud-kms/samples/generated/v1/key_management_service.list_import_jobs.js
@@ -23,6 +23,9 @@
 function main(parent) {
   // [START cloudkms_v1_generated_KeyManagementService_ListImportJobs_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.
    */
   /**
diff --git a/packages/google-cloud-kms/samples/generated/v1/key_management_service.list_key_rings.js b/packages/google-cloud-kms/samples/generated/v1/key_management_service.list_key_rings.js
index f7555209aa7..3e835568813 100644
--- a/packages/google-cloud-kms/samples/generated/v1/key_management_service.list_key_rings.js
+++ b/packages/google-cloud-kms/samples/generated/v1/key_management_service.list_key_rings.js
@@ -23,6 +23,9 @@
 function main(parent) {
   // [START cloudkms_v1_generated_KeyManagementService_ListKeyRings_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.
    */
   /**
diff --git a/packages/google-cloud-kms/samples/generated/v1/key_management_service.mac_sign.js b/packages/google-cloud-kms/samples/generated/v1/key_management_service.mac_sign.js
index 19c8b9af6b2..c9d0487a468 100644
--- a/packages/google-cloud-kms/samples/generated/v1/key_management_service.mac_sign.js
+++ b/packages/google-cloud-kms/samples/generated/v1/key_management_service.mac_sign.js
@@ -23,6 +23,9 @@
 function main(name, data) {
   // [START cloudkms_v1_generated_KeyManagementService_MacSign_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.
    */
   /**
diff --git a/packages/google-cloud-kms/samples/generated/v1/key_management_service.mac_verify.js b/packages/google-cloud-kms/samples/generated/v1/key_management_service.mac_verify.js
index e0a1baa8ac3..a21f154a09f 100644
--- a/packages/google-cloud-kms/samples/generated/v1/key_management_service.mac_verify.js
+++ b/packages/google-cloud-kms/samples/generated/v1/key_management_service.mac_verify.js
@@ -23,6 +23,9 @@
 function main(name, data, mac) {
   // [START cloudkms_v1_generated_KeyManagementService_MacVerify_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.
    */
   /**
diff --git a/packages/google-cloud-kms/samples/generated/v1/key_management_service.restore_crypto_key_version.js b/packages/google-cloud-kms/samples/generated/v1/key_management_service.restore_crypto_key_version.js
index d0b08fa1765..97abe6550e7 100644
--- a/packages/google-cloud-kms/samples/generated/v1/key_management_service.restore_crypto_key_version.js
+++ b/packages/google-cloud-kms/samples/generated/v1/key_management_service.restore_crypto_key_version.js
@@ -23,6 +23,9 @@
 function main(name) {
   // [START cloudkms_v1_generated_KeyManagementService_RestoreCryptoKeyVersion_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.
    */
   /**
diff --git a/packages/google-cloud-kms/samples/generated/v1/key_management_service.update_crypto_key.js b/packages/google-cloud-kms/samples/generated/v1/key_management_service.update_crypto_key.js
index d0f26013b32..cd0b706adc3 100644
--- a/packages/google-cloud-kms/samples/generated/v1/key_management_service.update_crypto_key.js
+++ b/packages/google-cloud-kms/samples/generated/v1/key_management_service.update_crypto_key.js
@@ -23,6 +23,9 @@
 function main(cryptoKey, updateMask) {
   // [START cloudkms_v1_generated_KeyManagementService_UpdateCryptoKey_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.
    */
   /**
diff --git a/packages/google-cloud-kms/samples/generated/v1/key_management_service.update_crypto_key_primary_version.js b/packages/google-cloud-kms/samples/generated/v1/key_management_service.update_crypto_key_primary_version.js
index 6b090968fa2..2fe88da644e 100644
--- a/packages/google-cloud-kms/samples/generated/v1/key_management_service.update_crypto_key_primary_version.js
+++ b/packages/google-cloud-kms/samples/generated/v1/key_management_service.update_crypto_key_primary_version.js
@@ -23,6 +23,9 @@
 function main(name, cryptoKeyVersionId) {
   // [START cloudkms_v1_generated_KeyManagementService_UpdateCryptoKeyPrimaryVersion_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.
    */
   /**
diff --git a/packages/google-cloud-kms/samples/generated/v1/key_management_service.update_crypto_key_version.js b/packages/google-cloud-kms/samples/generated/v1/key_management_service.update_crypto_key_version.js
index 620f9d291c2..c90e7dd2f19 100644
--- a/packages/google-cloud-kms/samples/generated/v1/key_management_service.update_crypto_key_version.js
+++ b/packages/google-cloud-kms/samples/generated/v1/key_management_service.update_crypto_key_version.js
@@ -23,6 +23,9 @@
 function main(cryptoKeyVersion, updateMask) {
   // [START cloudkms_v1_generated_KeyManagementService_UpdateCryptoKeyVersion_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.
    */
   /**
diff --git a/packages/google-cloud-kms/samples/generated/v1/snippet_metadata.google.cloud.kms.v1.json b/packages/google-cloud-kms/samples/generated/v1/snippet_metadata.google.cloud.kms.v1.json
index 1afd4908e54..f701f0a5916 100644
--- a/packages/google-cloud-kms/samples/generated/v1/snippet_metadata.google.cloud.kms.v1.json
+++ b/packages/google-cloud-kms/samples/generated/v1/snippet_metadata.google.cloud.kms.v1.json
@@ -22,7 +22,7 @@
             "segments": [
                 {
                     "start": 25,
-                    "end": 83,
+                    "end": 86,
                     "type": "FULL"
                 }
             ],
@@ -78,7 +78,7 @@
             "segments": [
                 {
                     "start": 25,
-                    "end": 51,
+                    "end": 54,
                     "type": "FULL"
                 }
             ],
@@ -118,7 +118,7 @@
             "segments": [
                 {
                     "start": 25,
-                    "end": 64,
+                    "end": 67,
                     "type": "FULL"
                 }
             ],
@@ -166,7 +166,7 @@
             "segments": [
                 {
                     "start": 25,
-                    "end": 56,
+                    "end": 59,
                     "type": "FULL"
                 }
             ],
@@ -210,7 +210,7 @@
             "segments": [
                 {
                     "start": 25,
-                    "end": 83,
+                    "end": 86,
                     "type": "FULL"
                 }
             ],
@@ -266,7 +266,7 @@
             "segments": [
                 {
                     "start": 25,
-                    "end": 86,
+                    "end": 89,
                     "type": "FULL"
                 }
             ],
@@ -326,7 +326,7 @@
             "segments": [
                 {
                     "start": 25,
-                    "end": 87,
+                    "end": 90,
                     "type": "FULL"
                 }
             ],
@@ -386,7 +386,7 @@
             "segments": [
                 {
                     "start": 25,
-                    "end": 82,
+                    "end": 85,
                     "type": "FULL"
                 }
             ],
@@ -442,7 +442,7 @@
             "segments": [
                 {
                     "start": 25,
-                    "end": 51,
+                    "end": 54,
                     "type": "FULL"
                 }
             ],
@@ -482,7 +482,7 @@
             "segments": [
                 {
                     "start": 25,
-                    "end": 51,
+                    "end": 54,
                     "type": "FULL"
                 }
             ],
@@ -522,7 +522,7 @@
             "segments": [
                 {
                     "start": 25,
-                    "end": 51,
+                    "end": 54,
                     "type": "FULL"
                 }
             ],
@@ -562,7 +562,7 @@
             "segments": [
                 {
                     "start": 25,
-                    "end": 51,
+                    "end": 54,
                     "type": "FULL"
                 }
             ],
@@ -602,7 +602,7 @@
             "segments": [
                 {
                     "start": 25,
-                    "end": 51,
+                    "end": 54,
                     "type": "FULL"
                 }
             ],
@@ -642,7 +642,7 @@
             "segments": [
                 {
                     "start": 25,
-                    "end": 64,
+                    "end": 67,
                     "type": "FULL"
                 }
             ],
@@ -690,7 +690,7 @@
             "segments": [
                 {
                     "start": 25,
-                    "end": 74,
+                    "end": 77,
                     "type": "FULL"
                 }
             ],
@@ -742,7 +742,7 @@
             "segments": [
                 {
                     "start": 25,
-                    "end": 58,
+                    "end": 61,
                     "type": "FULL"
                 }
             ],
@@ -786,7 +786,7 @@
             "segments": [
                 {
                     "start": 25,
-                    "end": 115,
+                    "end": 118,
                     "type": "FULL"
                 }
             ],
@@ -842,7 +842,7 @@
             "segments": [
                 {
                     "start": 25,
-                    "end": 64,
+                    "end": 67,
                     "type": "FULL"
                 }
             ],
@@ -890,7 +890,7 @@
             "segments": [
                 {
                     "start": 25,
-                    "end": 55,
+                    "end": 58,
                     "type": "FULL"
                 }
             ],
@@ -934,7 +934,7 @@
             "segments": [
                 {
                     "start": 25,
-                    "end": 56,
+                    "end": 59,
                     "type": "FULL"
                 }
             ],
@@ -978,7 +978,7 @@
             "segments": [
                 {
                     "start": 25,
-                    "end": 57,
+                    "end": 60,
                     "type": "FULL"
                 }
             ],
@@ -1022,7 +1022,7 @@
             "segments": [
                 {
                     "start": 25,
-                    "end": 51,
+                    "end": 54,
                     "type": "FULL"
                 }
             ],
@@ -1062,7 +1062,7 @@
             "segments": [
                 {
                     "start": 25,
-                    "end": 51,
+                    "end": 54,
                     "type": "FULL"
                 }
             ],
@@ -1102,7 +1102,7 @@
             "segments": [
                 {
                     "start": 25,
-                    "end": 124,
+                    "end": 127,
                     "type": "FULL"
                 }
             ],
@@ -1158,7 +1158,7 @@
             "segments": [
                 {
                     "start": 25,
-                    "end": 107,
+                    "end": 110,
                     "type": "FULL"
                 }
             ],
@@ -1214,7 +1214,7 @@
             "segments": [
                 {
                     "start": 25,
-                    "end": 112,
+                    "end": 115,
                     "type": "FULL"
                 }
             ],
@@ -1270,7 +1270,7 @@
             "segments": [
                 {
                     "start": 25,
-                    "end": 81,
+                    "end": 84,
                     "type": "FULL"
                 }
             ],
@@ -1318,7 +1318,7 @@
             "segments": [
                 {
                     "start": 25,
-                    "end": 78,
+                    "end": 81,
                     "type": "FULL"
                 }
             ],
@@ -1366,7 +1366,7 @@
             "segments": [
                 {
                     "start": 25,
-                    "end": 104,
+                    "end": 107,
                     "type": "FULL"
                 }
             ],
@@ -1422,7 +1422,7 @@
             "segments": [
                 {
                     "start": 25,
-                    "end": 62,
+                    "end": 65,
                     "type": "FULL"
                 }
             ],
diff --git a/packages/google-cloud-kms/src/v1/ekm_service_client.ts b/packages/google-cloud-kms/src/v1/ekm_service_client.ts
index 74eaa3931ef..305f1e15013 100644
--- a/packages/google-cloud-kms/src/v1/ekm_service_client.ts
+++ b/packages/google-cloud-kms/src/v1/ekm_service_client.ts
@@ -30,7 +30,6 @@ import {
 } from 'google-gax';
 
 import {Transform} from 'stream';
-import {RequestType} from 'google-gax/build/src/apitypes';
 import * as protos from '../../protos/protos';
 import jsonProtos = require('../../protos/protos.json');
 /**
@@ -279,7 +278,8 @@ export class EkmServiceClient {
       const apiCall = this._gaxModule.createApiCall(
         callPromise,
         this._defaults[methodName],
-        descriptor
+        descriptor,
+        this._opts.fallback
       );
 
       this.innerApiCalls[methodName] = apiCall;
@@ -783,7 +783,7 @@ export class EkmServiceClient {
     const callSettings = defaultCallSettings.merge(options);
     this.initialize();
     return this.descriptors.page.listEkmConnections.createStream(
-      this.innerApiCalls.listEkmConnections as gax.GaxCall,
+      this.innerApiCalls.listEkmConnections as GaxCall,
       request,
       callSettings
     );
@@ -850,7 +850,7 @@ export class EkmServiceClient {
     this.initialize();
     return this.descriptors.page.listEkmConnections.asyncIterate(
       this.innerApiCalls['listEkmConnections'] as GaxCall,
-      request as unknown as RequestType,
+      request as {},
       callSettings
     ) as AsyncIterable<protos.google.cloud.kms.v1.IEkmConnection>;
   }
diff --git a/packages/google-cloud-kms/src/v1/key_management_service_client.ts b/packages/google-cloud-kms/src/v1/key_management_service_client.ts
index 201ab03a687..9411e055dd0 100644
--- a/packages/google-cloud-kms/src/v1/key_management_service_client.ts
+++ b/packages/google-cloud-kms/src/v1/key_management_service_client.ts
@@ -30,7 +30,6 @@ import {
 } from 'google-gax';
 
 import {Transform} from 'stream';
-import {RequestType} from 'google-gax/build/src/apitypes';
 import * as protos from '../../protos/protos';
 import jsonProtos = require('../../protos/protos.json');
 /**
@@ -323,7 +322,8 @@ export class KeyManagementServiceClient {
       const apiCall = this._gaxModule.createApiCall(
         callPromise,
         this._defaults[methodName],
-        descriptor
+        descriptor,
+        this._opts.fallback
       );
 
       this.innerApiCalls[methodName] = apiCall;
@@ -2946,7 +2946,7 @@ export class KeyManagementServiceClient {
     const callSettings = defaultCallSettings.merge(options);
     this.initialize();
     return this.descriptors.page.listKeyRings.createStream(
-      this.innerApiCalls.listKeyRings as gax.GaxCall,
+      this.innerApiCalls.listKeyRings as GaxCall,
       request,
       callSettings
     );
@@ -3013,7 +3013,7 @@ export class KeyManagementServiceClient {
     this.initialize();
     return this.descriptors.page.listKeyRings.asyncIterate(
       this.innerApiCalls['listKeyRings'] as GaxCall,
-      request as unknown as RequestType,
+      request as {},
       callSettings
     ) as AsyncIterable<protos.google.cloud.kms.v1.IKeyRing>;
   }
@@ -3186,7 +3186,7 @@ export class KeyManagementServiceClient {
     const callSettings = defaultCallSettings.merge(options);
     this.initialize();
     return this.descriptors.page.listCryptoKeys.createStream(
-      this.innerApiCalls.listCryptoKeys as gax.GaxCall,
+      this.innerApiCalls.listCryptoKeys as GaxCall,
       request,
       callSettings
     );
@@ -3254,7 +3254,7 @@ export class KeyManagementServiceClient {
     this.initialize();
     return this.descriptors.page.listCryptoKeys.asyncIterate(
       this.innerApiCalls['listCryptoKeys'] as GaxCall,
-      request as unknown as RequestType,
+      request as {},
       callSettings
     ) as AsyncIterable<protos.google.cloud.kms.v1.ICryptoKey>;
   }
@@ -3437,7 +3437,7 @@ export class KeyManagementServiceClient {
     const callSettings = defaultCallSettings.merge(options);
     this.initialize();
     return this.descriptors.page.listCryptoKeyVersions.createStream(
-      this.innerApiCalls.listCryptoKeyVersions as gax.GaxCall,
+      this.innerApiCalls.listCryptoKeyVersions as GaxCall,
       request,
       callSettings
     );
@@ -3506,7 +3506,7 @@ export class KeyManagementServiceClient {
     this.initialize();
     return this.descriptors.page.listCryptoKeyVersions.asyncIterate(
       this.innerApiCalls['listCryptoKeyVersions'] as GaxCall,
-      request as unknown as RequestType,
+      request as {},
       callSettings
     ) as AsyncIterable<protos.google.cloud.kms.v1.ICryptoKeyVersion>;
   }
@@ -3675,7 +3675,7 @@ export class KeyManagementServiceClient {
     const callSettings = defaultCallSettings.merge(options);
     this.initialize();
     return this.descriptors.page.listImportJobs.createStream(
-      this.innerApiCalls.listImportJobs as gax.GaxCall,
+      this.innerApiCalls.listImportJobs as GaxCall,
       request,
       callSettings
     );
@@ -3741,7 +3741,7 @@ export class KeyManagementServiceClient {
     this.initialize();
     return this.descriptors.page.listImportJobs.asyncIterate(
       this.innerApiCalls['listImportJobs'] as GaxCall,
-      request as unknown as RequestType,
+      request as {},
       callSettings
     ) as AsyncIterable<protos.google.cloud.kms.v1.IImportJob>;
   }
diff --git a/packages/google-cloud-kms/test/gapic_ekm_service_v1.ts b/packages/google-cloud-kms/test/gapic_ekm_service_v1.ts
index e90fe093544..911def750c1 100644
--- a/packages/google-cloud-kms/test/gapic_ekm_service_v1.ts
+++ b/packages/google-cloud-kms/test/gapic_ekm_service_v1.ts
@@ -113,99 +113,101 @@ function stubAsyncIterationCall<ResponseType>(
 }
 
 describe('v1.EkmServiceClient', () => {
-  it('has servicePath', () => {
-    const servicePath = ekmserviceModule.v1.EkmServiceClient.servicePath;
-    assert(servicePath);
-  });
-
-  it('has apiEndpoint', () => {
-    const apiEndpoint = ekmserviceModule.v1.EkmServiceClient.apiEndpoint;
-    assert(apiEndpoint);
-  });
-
-  it('has port', () => {
-    const port = ekmserviceModule.v1.EkmServiceClient.port;
-    assert(port);
-    assert(typeof port === 'number');
-  });
-
-  it('should create a client with no option', () => {
-    const client = new ekmserviceModule.v1.EkmServiceClient();
-    assert(client);
-  });
+  describe('Common methods', () => {
+    it('has servicePath', () => {
+      const servicePath = ekmserviceModule.v1.EkmServiceClient.servicePath;
+      assert(servicePath);
+    });
 
-  it('should create a client with gRPC fallback', () => {
-    const client = new ekmserviceModule.v1.EkmServiceClient({
-      fallback: true,
+    it('has apiEndpoint', () => {
+      const apiEndpoint = ekmserviceModule.v1.EkmServiceClient.apiEndpoint;
+      assert(apiEndpoint);
     });
-    assert(client);
-  });
 
-  it('has initialize method and supports deferred initialization', async () => {
-    const client = new ekmserviceModule.v1.EkmServiceClient({
-      credentials: {client_email: 'bogus', private_key: 'bogus'},
-      projectId: 'bogus',
+    it('has port', () => {
+      const port = ekmserviceModule.v1.EkmServiceClient.port;
+      assert(port);
+      assert(typeof port === 'number');
     });
-    assert.strictEqual(client.ekmServiceStub, undefined);
-    await client.initialize();
-    assert(client.ekmServiceStub);
-  });
 
-  it('has close method for the initialized client', done => {
-    const client = new ekmserviceModule.v1.EkmServiceClient({
-      credentials: {client_email: 'bogus', private_key: 'bogus'},
-      projectId: 'bogus',
+    it('should create a client with no option', () => {
+      const client = new ekmserviceModule.v1.EkmServiceClient();
+      assert(client);
     });
-    client.initialize();
-    assert(client.ekmServiceStub);
-    client.close().then(() => {
-      done();
+
+    it('should create a client with gRPC fallback', () => {
+      const client = new ekmserviceModule.v1.EkmServiceClient({
+        fallback: true,
+      });
+      assert(client);
     });
-  });
 
-  it('has close method for the non-initialized client', done => {
-    const client = new ekmserviceModule.v1.EkmServiceClient({
-      credentials: {client_email: 'bogus', private_key: 'bogus'},
-      projectId: 'bogus',
+    it('has initialize method and supports deferred initialization', async () => {
+      const client = new ekmserviceModule.v1.EkmServiceClient({
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
+        projectId: 'bogus',
+      });
+      assert.strictEqual(client.ekmServiceStub, undefined);
+      await client.initialize();
+      assert(client.ekmServiceStub);
     });
-    assert.strictEqual(client.ekmServiceStub, undefined);
-    client.close().then(() => {
-      done();
+
+    it('has close method for the initialized client', done => {
+      const client = new ekmserviceModule.v1.EkmServiceClient({
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
+        projectId: 'bogus',
+      });
+      client.initialize();
+      assert(client.ekmServiceStub);
+      client.close().then(() => {
+        done();
+      });
     });
-  });
 
-  it('has getProjectId method', async () => {
-    const fakeProjectId = 'fake-project-id';
-    const client = new ekmserviceModule.v1.EkmServiceClient({
-      credentials: {client_email: 'bogus', private_key: 'bogus'},
-      projectId: 'bogus',
+    it('has close method for the non-initialized client', done => {
+      const client = new ekmserviceModule.v1.EkmServiceClient({
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
+        projectId: 'bogus',
+      });
+      assert.strictEqual(client.ekmServiceStub, undefined);
+      client.close().then(() => {
+        done();
+      });
     });
-    client.auth.getProjectId = sinon.stub().resolves(fakeProjectId);
-    const result = await client.getProjectId();
-    assert.strictEqual(result, fakeProjectId);
-    assert((client.auth.getProjectId as SinonStub).calledWithExactly());
-  });
 
-  it('has getProjectId method with callback', async () => {
-    const fakeProjectId = 'fake-project-id';
-    const client = new ekmserviceModule.v1.EkmServiceClient({
-      credentials: {client_email: 'bogus', private_key: 'bogus'},
-      projectId: 'bogus',
+    it('has getProjectId method', async () => {
+      const fakeProjectId = 'fake-project-id';
+      const client = new ekmserviceModule.v1.EkmServiceClient({
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
+        projectId: 'bogus',
+      });
+      client.auth.getProjectId = sinon.stub().resolves(fakeProjectId);
+      const result = await client.getProjectId();
+      assert.strictEqual(result, fakeProjectId);
+      assert((client.auth.getProjectId as SinonStub).calledWithExactly());
     });
-    client.auth.getProjectId = sinon
-      .stub()
-      .callsArgWith(0, null, fakeProjectId);
-    const promise = new Promise((resolve, reject) => {
-      client.getProjectId((err?: Error | null, projectId?: string | null) => {
-        if (err) {
-          reject(err);
-        } else {
-          resolve(projectId);
-        }
+
+    it('has getProjectId method with callback', async () => {
+      const fakeProjectId = 'fake-project-id';
+      const client = new ekmserviceModule.v1.EkmServiceClient({
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
+        projectId: 'bogus',
+      });
+      client.auth.getProjectId = sinon
+        .stub()
+        .callsArgWith(0, null, fakeProjectId);
+      const promise = new Promise((resolve, reject) => {
+        client.getProjectId((err?: Error | null, projectId?: string | null) => {
+          if (err) {
+            reject(err);
+          } else {
+            resolve(projectId);
+          }
+        });
       });
+      const result = await promise;
+      assert.strictEqual(result, fakeProjectId);
     });
-    const result = await promise;
-    assert.strictEqual(result, fakeProjectId);
   });
 
   describe('getEkmConnection', () => {
diff --git a/packages/google-cloud-kms/test/gapic_key_management_service_v1.ts b/packages/google-cloud-kms/test/gapic_key_management_service_v1.ts
index 7209d750237..e2a323051c3 100644
--- a/packages/google-cloud-kms/test/gapic_key_management_service_v1.ts
+++ b/packages/google-cloud-kms/test/gapic_key_management_service_v1.ts
@@ -113,114 +113,111 @@ function stubAsyncIterationCall<ResponseType>(
 }
 
 describe('v1.KeyManagementServiceClient', () => {
-  it('has servicePath', () => {
-    const servicePath =
-      keymanagementserviceModule.v1.KeyManagementServiceClient.servicePath;
-    assert(servicePath);
-  });
+  describe('Common methods', () => {
+    it('has servicePath', () => {
+      const servicePath =
+        keymanagementserviceModule.v1.KeyManagementServiceClient.servicePath;
+      assert(servicePath);
+    });
 
-  it('has apiEndpoint', () => {
-    const apiEndpoint =
-      keymanagementserviceModule.v1.KeyManagementServiceClient.apiEndpoint;
-    assert(apiEndpoint);
-  });
+    it('has apiEndpoint', () => {
+      const apiEndpoint =
+        keymanagementserviceModule.v1.KeyManagementServiceClient.apiEndpoint;
+      assert(apiEndpoint);
+    });
 
-  it('has port', () => {
-    const port = keymanagementserviceModule.v1.KeyManagementServiceClient.port;
-    assert(port);
-    assert(typeof port === 'number');
-  });
+    it('has port', () => {
+      const port =
+        keymanagementserviceModule.v1.KeyManagementServiceClient.port;
+      assert(port);
+      assert(typeof port === 'number');
+    });
 
-  it('should create a client with no option', () => {
-    const client =
-      new keymanagementserviceModule.v1.KeyManagementServiceClient();
-    assert(client);
-  });
+    it('should create a client with no option', () => {
+      const client =
+        new keymanagementserviceModule.v1.KeyManagementServiceClient();
+      assert(client);
+    });
 
-  it('should create a client with gRPC fallback', () => {
-    const client = new keymanagementserviceModule.v1.KeyManagementServiceClient(
-      {
-        fallback: true,
-      }
-    );
-    assert(client);
-  });
+    it('should create a client with gRPC fallback', () => {
+      const client =
+        new keymanagementserviceModule.v1.KeyManagementServiceClient({
+          fallback: true,
+        });
+      assert(client);
+    });
 
-  it('has initialize method and supports deferred initialization', async () => {
-    const client = new keymanagementserviceModule.v1.KeyManagementServiceClient(
-      {
-        credentials: {client_email: 'bogus', private_key: 'bogus'},
-        projectId: 'bogus',
-      }
-    );
-    assert.strictEqual(client.keyManagementServiceStub, undefined);
-    await client.initialize();
-    assert(client.keyManagementServiceStub);
-  });
+    it('has initialize method and supports deferred initialization', async () => {
+      const client =
+        new keymanagementserviceModule.v1.KeyManagementServiceClient({
+          credentials: {client_email: 'bogus', private_key: 'bogus'},
+          projectId: 'bogus',
+        });
+      assert.strictEqual(client.keyManagementServiceStub, undefined);
+      await client.initialize();
+      assert(client.keyManagementServiceStub);
+    });
 
-  it('has close method for the initialized client', done => {
-    const client = new keymanagementserviceModule.v1.KeyManagementServiceClient(
-      {
-        credentials: {client_email: 'bogus', private_key: 'bogus'},
-        projectId: 'bogus',
-      }
-    );
-    client.initialize();
-    assert(client.keyManagementServiceStub);
-    client.close().then(() => {
-      done();
+    it('has close method for the initialized client', done => {
+      const client =
+        new keymanagementserviceModule.v1.KeyManagementServiceClient({
+          credentials: {client_email: 'bogus', private_key: 'bogus'},
+          projectId: 'bogus',
+        });
+      client.initialize();
+      assert(client.keyManagementServiceStub);
+      client.close().then(() => {
+        done();
+      });
     });
-  });
 
-  it('has close method for the non-initialized client', done => {
-    const client = new keymanagementserviceModule.v1.KeyManagementServiceClient(
-      {
-        credentials: {client_email: 'bogus', private_key: 'bogus'},
-        projectId: 'bogus',
-      }
-    );
-    assert.strictEqual(client.keyManagementServiceStub, undefined);
-    client.close().then(() => {
-      done();
+    it('has close method for the non-initialized client', done => {
+      const client =
+        new keymanagementserviceModule.v1.KeyManagementServiceClient({
+          credentials: {client_email: 'bogus', private_key: 'bogus'},
+          projectId: 'bogus',
+        });
+      assert.strictEqual(client.keyManagementServiceStub, undefined);
+      client.close().then(() => {
+        done();
+      });
     });
-  });
 
-  it('has getProjectId method', async () => {
-    const fakeProjectId = 'fake-project-id';
-    const client = new keymanagementserviceModule.v1.KeyManagementServiceClient(
-      {
-        credentials: {client_email: 'bogus', private_key: 'bogus'},
-        projectId: 'bogus',
-      }
-    );
-    client.auth.getProjectId = sinon.stub().resolves(fakeProjectId);
-    const result = await client.getProjectId();
-    assert.strictEqual(result, fakeProjectId);
-    assert((client.auth.getProjectId as SinonStub).calledWithExactly());
-  });
+    it('has getProjectId method', async () => {
+      const fakeProjectId = 'fake-project-id';
+      const client =
+        new keymanagementserviceModule.v1.KeyManagementServiceClient({
+          credentials: {client_email: 'bogus', private_key: 'bogus'},
+          projectId: 'bogus',
+        });
+      client.auth.getProjectId = sinon.stub().resolves(fakeProjectId);
+      const result = await client.getProjectId();
+      assert.strictEqual(result, fakeProjectId);
+      assert((client.auth.getProjectId as SinonStub).calledWithExactly());
+    });
 
-  it('has getProjectId method with callback', async () => {
-    const fakeProjectId = 'fake-project-id';
-    const client = new keymanagementserviceModule.v1.KeyManagementServiceClient(
-      {
-        credentials: {client_email: 'bogus', private_key: 'bogus'},
-        projectId: 'bogus',
-      }
-    );
-    client.auth.getProjectId = sinon
-      .stub()
-      .callsArgWith(0, null, fakeProjectId);
-    const promise = new Promise((resolve, reject) => {
-      client.getProjectId((err?: Error | null, projectId?: string | null) => {
-        if (err) {
-          reject(err);
-        } else {
-          resolve(projectId);
-        }
+    it('has getProjectId method with callback', async () => {
+      const fakeProjectId = 'fake-project-id';
+      const client =
+        new keymanagementserviceModule.v1.KeyManagementServiceClient({
+          credentials: {client_email: 'bogus', private_key: 'bogus'},
+          projectId: 'bogus',
+        });
+      client.auth.getProjectId = sinon
+        .stub()
+        .callsArgWith(0, null, fakeProjectId);
+      const promise = new Promise((resolve, reject) => {
+        client.getProjectId((err?: Error | null, projectId?: string | null) => {
+          if (err) {
+            reject(err);
+          } else {
+            resolve(projectId);
+          }
+        });
       });
+      const result = await promise;
+      assert.strictEqual(result, fakeProjectId);
     });
-    const result = await promise;
-    assert.strictEqual(result, fakeProjectId);
   });
 
   describe('getKeyRing', () => {