diff --git a/google-cloud-shell/src/main/java/com/google/cloud/shell/v1/CloudShellServiceClient.java b/google-cloud-shell/src/main/java/com/google/cloud/shell/v1/CloudShellServiceClient.java
index 41c84655..bb2e7f22 100644
--- a/google-cloud-shell/src/main/java/com/google/cloud/shell/v1/CloudShellServiceClient.java
+++ b/google-cloud-shell/src/main/java/com/google/cloud/shell/v1/CloudShellServiceClient.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -41,6 +41,8 @@
  * calls that map to API methods. Sample code to get started:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (CloudShellServiceClient cloudShellServiceClient = CloudShellServiceClient.create()) {
  *   EnvironmentName name = EnvironmentName.of("[USER]", "[ENVIRONMENT]");
  *   Environment response = cloudShellServiceClient.getEnvironment(name);
@@ -77,6 +79,8 @@
  * <p>To customize credentials:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * CloudShellServiceSettings cloudShellServiceSettings =
  *     CloudShellServiceSettings.newBuilder()
  *         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
@@ -88,6 +92,8 @@
  * <p>To customize the endpoint:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * CloudShellServiceSettings cloudShellServiceSettings =
  *     CloudShellServiceSettings.newBuilder().setEndpoint(myEndpoint).build();
  * CloudShellServiceClient cloudShellServiceClient =
@@ -167,6 +173,8 @@ public final OperationsClient getOperationsClient() {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (CloudShellServiceClient cloudShellServiceClient = CloudShellServiceClient.create()) {
    *   EnvironmentName name = EnvironmentName.of("[USER]", "[ENVIRONMENT]");
    *   Environment response = cloudShellServiceClient.getEnvironment(name);
@@ -191,6 +199,8 @@ public final Environment getEnvironment(EnvironmentName name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (CloudShellServiceClient cloudShellServiceClient = CloudShellServiceClient.create()) {
    *   String name = EnvironmentName.of("[USER]", "[ENVIRONMENT]").toString();
    *   Environment response = cloudShellServiceClient.getEnvironment(name);
@@ -214,6 +224,8 @@ public final Environment getEnvironment(String name) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (CloudShellServiceClient cloudShellServiceClient = CloudShellServiceClient.create()) {
    *   GetEnvironmentRequest request =
    *       GetEnvironmentRequest.newBuilder()
@@ -237,6 +249,8 @@ public final Environment getEnvironment(GetEnvironmentRequest request) {
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (CloudShellServiceClient cloudShellServiceClient = CloudShellServiceClient.create()) {
    *   GetEnvironmentRequest request =
    *       GetEnvironmentRequest.newBuilder()
@@ -264,6 +278,8 @@ public final UnaryCallable<GetEnvironmentRequest, Environment> getEnvironmentCal
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (CloudShellServiceClient cloudShellServiceClient = CloudShellServiceClient.create()) {
    *   StartEnvironmentRequest request =
    *       StartEnvironmentRequest.newBuilder()
@@ -295,6 +311,8 @@ public final UnaryCallable<GetEnvironmentRequest, Environment> getEnvironmentCal
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (CloudShellServiceClient cloudShellServiceClient = CloudShellServiceClient.create()) {
    *   StartEnvironmentRequest request =
    *       StartEnvironmentRequest.newBuilder()
@@ -326,6 +344,8 @@ public final UnaryCallable<GetEnvironmentRequest, Environment> getEnvironmentCal
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (CloudShellServiceClient cloudShellServiceClient = CloudShellServiceClient.create()) {
    *   StartEnvironmentRequest request =
    *       StartEnvironmentRequest.newBuilder()
@@ -353,6 +373,8 @@ public final UnaryCallable<StartEnvironmentRequest, Operation> startEnvironmentC
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (CloudShellServiceClient cloudShellServiceClient = CloudShellServiceClient.create()) {
    *   AuthorizeEnvironmentRequest request =
    *       AuthorizeEnvironmentRequest.newBuilder()
@@ -383,6 +405,8 @@ public final UnaryCallable<StartEnvironmentRequest, Operation> startEnvironmentC
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (CloudShellServiceClient cloudShellServiceClient = CloudShellServiceClient.create()) {
    *   AuthorizeEnvironmentRequest request =
    *       AuthorizeEnvironmentRequest.newBuilder()
@@ -413,6 +437,8 @@ public final UnaryCallable<StartEnvironmentRequest, Operation> startEnvironmentC
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (CloudShellServiceClient cloudShellServiceClient = CloudShellServiceClient.create()) {
    *   AuthorizeEnvironmentRequest request =
    *       AuthorizeEnvironmentRequest.newBuilder()
@@ -442,6 +468,8 @@ public final UnaryCallable<StartEnvironmentRequest, Operation> startEnvironmentC
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (CloudShellServiceClient cloudShellServiceClient = CloudShellServiceClient.create()) {
    *   AddPublicKeyRequest request =
    *       AddPublicKeyRequest.newBuilder()
@@ -469,6 +497,8 @@ public final OperationFuture<AddPublicKeyResponse, AddPublicKeyMetadata> addPubl
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (CloudShellServiceClient cloudShellServiceClient = CloudShellServiceClient.create()) {
    *   AddPublicKeyRequest request =
    *       AddPublicKeyRequest.newBuilder()
@@ -496,6 +526,8 @@ public final OperationFuture<AddPublicKeyResponse, AddPublicKeyMetadata> addPubl
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (CloudShellServiceClient cloudShellServiceClient = CloudShellServiceClient.create()) {
    *   AddPublicKeyRequest request =
    *       AddPublicKeyRequest.newBuilder()
@@ -522,6 +554,8 @@ public final UnaryCallable<AddPublicKeyRequest, Operation> addPublicKeyCallable(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (CloudShellServiceClient cloudShellServiceClient = CloudShellServiceClient.create()) {
    *   RemovePublicKeyRequest request =
    *       RemovePublicKeyRequest.newBuilder()
@@ -550,6 +584,8 @@ public final UnaryCallable<AddPublicKeyRequest, Operation> addPublicKeyCallable(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (CloudShellServiceClient cloudShellServiceClient = CloudShellServiceClient.create()) {
    *   RemovePublicKeyRequest request =
    *       RemovePublicKeyRequest.newBuilder()
@@ -578,6 +614,8 @@ public final UnaryCallable<AddPublicKeyRequest, Operation> addPublicKeyCallable(
    * <p>Sample code:
    *
    * <pre>{@code
+   * // This snippet has been automatically generated for illustrative purposes only.
+   * // It may require modifications to work in your environment.
    * try (CloudShellServiceClient cloudShellServiceClient = CloudShellServiceClient.create()) {
    *   RemovePublicKeyRequest request =
    *       RemovePublicKeyRequest.newBuilder()
diff --git a/google-cloud-shell/src/main/java/com/google/cloud/shell/v1/CloudShellServiceSettings.java b/google-cloud-shell/src/main/java/com/google/cloud/shell/v1/CloudShellServiceSettings.java
index 1c890c87..3d40c4f6 100644
--- a/google-cloud-shell/src/main/java/com/google/cloud/shell/v1/CloudShellServiceSettings.java
+++ b/google-cloud-shell/src/main/java/com/google/cloud/shell/v1/CloudShellServiceSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -51,6 +51,8 @@
  * <p>For example, to set the total timeout of getEnvironment to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * CloudShellServiceSettings.Builder cloudShellServiceSettingsBuilder =
  *     CloudShellServiceSettings.newBuilder();
  * cloudShellServiceSettingsBuilder
diff --git a/google-cloud-shell/src/main/java/com/google/cloud/shell/v1/package-info.java b/google-cloud-shell/src/main/java/com/google/cloud/shell/v1/package-info.java
index b38ae2bc..350bdd67 100644
--- a/google-cloud-shell/src/main/java/com/google/cloud/shell/v1/package-info.java
+++ b/google-cloud-shell/src/main/java/com/google/cloud/shell/v1/package-info.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -28,6 +28,8 @@
  * <p>Sample for CloudShellServiceClient:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * try (CloudShellServiceClient cloudShellServiceClient = CloudShellServiceClient.create()) {
  *   EnvironmentName name = EnvironmentName.of("[USER]", "[ENVIRONMENT]");
  *   Environment response = cloudShellServiceClient.getEnvironment(name);
diff --git a/google-cloud-shell/src/main/java/com/google/cloud/shell/v1/stub/CloudShellServiceStub.java b/google-cloud-shell/src/main/java/com/google/cloud/shell/v1/stub/CloudShellServiceStub.java
index faceab46..af720c3a 100644
--- a/google-cloud-shell/src/main/java/com/google/cloud/shell/v1/stub/CloudShellServiceStub.java
+++ b/google-cloud-shell/src/main/java/com/google/cloud/shell/v1/stub/CloudShellServiceStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-shell/src/main/java/com/google/cloud/shell/v1/stub/CloudShellServiceStubSettings.java b/google-cloud-shell/src/main/java/com/google/cloud/shell/v1/stub/CloudShellServiceStubSettings.java
index 1168e796..f2240094 100644
--- a/google-cloud-shell/src/main/java/com/google/cloud/shell/v1/stub/CloudShellServiceStubSettings.java
+++ b/google-cloud-shell/src/main/java/com/google/cloud/shell/v1/stub/CloudShellServiceStubSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -77,6 +77,8 @@
  * <p>For example, to set the total timeout of getEnvironment to 30 seconds:
  *
  * <pre>{@code
+ * // This snippet has been automatically generated for illustrative purposes only.
+ * // It may require modifications to work in your environment.
  * CloudShellServiceStubSettings.Builder cloudShellServiceSettingsBuilder =
  *     CloudShellServiceStubSettings.newBuilder();
  * cloudShellServiceSettingsBuilder
diff --git a/google-cloud-shell/src/main/java/com/google/cloud/shell/v1/stub/GrpcCloudShellServiceCallableFactory.java b/google-cloud-shell/src/main/java/com/google/cloud/shell/v1/stub/GrpcCloudShellServiceCallableFactory.java
index 9f6b8bc3..d35df5e6 100644
--- a/google-cloud-shell/src/main/java/com/google/cloud/shell/v1/stub/GrpcCloudShellServiceCallableFactory.java
+++ b/google-cloud-shell/src/main/java/com/google/cloud/shell/v1/stub/GrpcCloudShellServiceCallableFactory.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-shell/src/main/java/com/google/cloud/shell/v1/stub/GrpcCloudShellServiceStub.java b/google-cloud-shell/src/main/java/com/google/cloud/shell/v1/stub/GrpcCloudShellServiceStub.java
index d172cdbb..12b59d4c 100644
--- a/google-cloud-shell/src/main/java/com/google/cloud/shell/v1/stub/GrpcCloudShellServiceStub.java
+++ b/google-cloud-shell/src/main/java/com/google/cloud/shell/v1/stub/GrpcCloudShellServiceStub.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-shell/src/test/java/com/google/cloud/shell/v1/CloudShellServiceClientTest.java b/google-cloud-shell/src/test/java/com/google/cloud/shell/v1/CloudShellServiceClientTest.java
index 1fcb9d29..a03f2cf7 100644
--- a/google-cloud-shell/src/test/java/com/google/cloud/shell/v1/CloudShellServiceClientTest.java
+++ b/google-cloud-shell/src/test/java/com/google/cloud/shell/v1/CloudShellServiceClientTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-shell/src/test/java/com/google/cloud/shell/v1/MockCloudShellService.java b/google-cloud-shell/src/test/java/com/google/cloud/shell/v1/MockCloudShellService.java
index ecb3536c..2f4bcb8a 100644
--- a/google-cloud-shell/src/test/java/com/google/cloud/shell/v1/MockCloudShellService.java
+++ b/google-cloud-shell/src/test/java/com/google/cloud/shell/v1/MockCloudShellService.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/google-cloud-shell/src/test/java/com/google/cloud/shell/v1/MockCloudShellServiceImpl.java b/google-cloud-shell/src/test/java/com/google/cloud/shell/v1/MockCloudShellServiceImpl.java
index dbd4a049..41137793 100644
--- a/google-cloud-shell/src/test/java/com/google/cloud/shell/v1/MockCloudShellServiceImpl.java
+++ b/google-cloud-shell/src/test/java/com/google/cloud/shell/v1/MockCloudShellServiceImpl.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/AddPublicKeyMetadata.java b/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/AddPublicKeyMetadata.java
index 5e00e64f..7c1b0112 100644
--- a/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/AddPublicKeyMetadata.java
+++ b/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/AddPublicKeyMetadata.java
@@ -80,6 +80,8 @@ private AddPublicKeyMetadata(
       }
     } catch (com.google.protobuf.InvalidProtocolBufferException e) {
       throw e.setUnfinishedMessage(this);
+    } catch (com.google.protobuf.UninitializedMessageException e) {
+      throw e.asInvalidProtocolBufferException().setUnfinishedMessage(this);
     } catch (java.io.IOException e) {
       throw new com.google.protobuf.InvalidProtocolBufferException(e).setUnfinishedMessage(this);
     } finally {
diff --git a/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/AddPublicKeyRequest.java b/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/AddPublicKeyRequest.java
index 8ea09662..bb681f05 100644
--- a/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/AddPublicKeyRequest.java
+++ b/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/AddPublicKeyRequest.java
@@ -97,6 +97,8 @@ private AddPublicKeyRequest(
       }
     } catch (com.google.protobuf.InvalidProtocolBufferException e) {
       throw e.setUnfinishedMessage(this);
+    } catch (com.google.protobuf.UninitializedMessageException e) {
+      throw e.asInvalidProtocolBufferException().setUnfinishedMessage(this);
     } catch (java.io.IOException e) {
       throw new com.google.protobuf.InvalidProtocolBufferException(e).setUnfinishedMessage(this);
     } finally {
diff --git a/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/AddPublicKeyResponse.java b/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/AddPublicKeyResponse.java
index 7d6ff663..2a7ade39 100644
--- a/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/AddPublicKeyResponse.java
+++ b/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/AddPublicKeyResponse.java
@@ -89,6 +89,8 @@ private AddPublicKeyResponse(
       }
     } catch (com.google.protobuf.InvalidProtocolBufferException e) {
       throw e.setUnfinishedMessage(this);
+    } catch (com.google.protobuf.UninitializedMessageException e) {
+      throw e.asInvalidProtocolBufferException().setUnfinishedMessage(this);
     } catch (java.io.IOException e) {
       throw new com.google.protobuf.InvalidProtocolBufferException(e).setUnfinishedMessage(this);
     } finally {
diff --git a/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/AuthorizeEnvironmentMetadata.java b/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/AuthorizeEnvironmentMetadata.java
index 4802914a..3635f516 100644
--- a/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/AuthorizeEnvironmentMetadata.java
+++ b/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/AuthorizeEnvironmentMetadata.java
@@ -80,6 +80,8 @@ private AuthorizeEnvironmentMetadata(
       }
     } catch (com.google.protobuf.InvalidProtocolBufferException e) {
       throw e.setUnfinishedMessage(this);
+    } catch (com.google.protobuf.UninitializedMessageException e) {
+      throw e.asInvalidProtocolBufferException().setUnfinishedMessage(this);
     } catch (java.io.IOException e) {
       throw new com.google.protobuf.InvalidProtocolBufferException(e).setUnfinishedMessage(this);
     } finally {
diff --git a/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/AuthorizeEnvironmentRequest.java b/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/AuthorizeEnvironmentRequest.java
index e2b83402..3144d086 100644
--- a/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/AuthorizeEnvironmentRequest.java
+++ b/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/AuthorizeEnvironmentRequest.java
@@ -120,6 +120,8 @@ private AuthorizeEnvironmentRequest(
       }
     } catch (com.google.protobuf.InvalidProtocolBufferException e) {
       throw e.setUnfinishedMessage(this);
+    } catch (com.google.protobuf.UninitializedMessageException e) {
+      throw e.asInvalidProtocolBufferException().setUnfinishedMessage(this);
     } catch (java.io.IOException e) {
       throw new com.google.protobuf.InvalidProtocolBufferException(e).setUnfinishedMessage(this);
     } finally {
diff --git a/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/AuthorizeEnvironmentResponse.java b/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/AuthorizeEnvironmentResponse.java
index 718a547c..ee950279 100644
--- a/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/AuthorizeEnvironmentResponse.java
+++ b/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/AuthorizeEnvironmentResponse.java
@@ -80,6 +80,8 @@ private AuthorizeEnvironmentResponse(
       }
     } catch (com.google.protobuf.InvalidProtocolBufferException e) {
       throw e.setUnfinishedMessage(this);
+    } catch (com.google.protobuf.UninitializedMessageException e) {
+      throw e.asInvalidProtocolBufferException().setUnfinishedMessage(this);
     } catch (java.io.IOException e) {
       throw new com.google.protobuf.InvalidProtocolBufferException(e).setUnfinishedMessage(this);
     } finally {
diff --git a/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/CloudShellErrorDetails.java b/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/CloudShellErrorDetails.java
index f3644197..bb43b23b 100644
--- a/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/CloudShellErrorDetails.java
+++ b/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/CloudShellErrorDetails.java
@@ -89,6 +89,8 @@ private CloudShellErrorDetails(
       }
     } catch (com.google.protobuf.InvalidProtocolBufferException e) {
       throw e.setUnfinishedMessage(this);
+    } catch (com.google.protobuf.UninitializedMessageException e) {
+      throw e.asInvalidProtocolBufferException().setUnfinishedMessage(this);
     } catch (java.io.IOException e) {
       throw new com.google.protobuf.InvalidProtocolBufferException(e).setUnfinishedMessage(this);
     } finally {
diff --git a/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/CreateEnvironmentMetadata.java b/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/CreateEnvironmentMetadata.java
index b52ff195..fd894136 100644
--- a/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/CreateEnvironmentMetadata.java
+++ b/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/CreateEnvironmentMetadata.java
@@ -80,6 +80,8 @@ private CreateEnvironmentMetadata(
       }
     } catch (com.google.protobuf.InvalidProtocolBufferException e) {
       throw e.setUnfinishedMessage(this);
+    } catch (com.google.protobuf.UninitializedMessageException e) {
+      throw e.asInvalidProtocolBufferException().setUnfinishedMessage(this);
     } catch (java.io.IOException e) {
       throw new com.google.protobuf.InvalidProtocolBufferException(e).setUnfinishedMessage(this);
     } finally {
diff --git a/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/DeleteEnvironmentMetadata.java b/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/DeleteEnvironmentMetadata.java
index 0c84caef..d3449695 100644
--- a/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/DeleteEnvironmentMetadata.java
+++ b/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/DeleteEnvironmentMetadata.java
@@ -80,6 +80,8 @@ private DeleteEnvironmentMetadata(
       }
     } catch (com.google.protobuf.InvalidProtocolBufferException e) {
       throw e.setUnfinishedMessage(this);
+    } catch (com.google.protobuf.UninitializedMessageException e) {
+      throw e.asInvalidProtocolBufferException().setUnfinishedMessage(this);
     } catch (java.io.IOException e) {
       throw new com.google.protobuf.InvalidProtocolBufferException(e).setUnfinishedMessage(this);
     } finally {
diff --git a/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/Environment.java b/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/Environment.java
index 9a61638e..9fce14b2 100644
--- a/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/Environment.java
+++ b/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/Environment.java
@@ -156,6 +156,8 @@ private Environment(
       }
     } catch (com.google.protobuf.InvalidProtocolBufferException e) {
       throw e.setUnfinishedMessage(this);
+    } catch (com.google.protobuf.UninitializedMessageException e) {
+      throw e.asInvalidProtocolBufferException().setUnfinishedMessage(this);
     } catch (java.io.IOException e) {
       throw new com.google.protobuf.InvalidProtocolBufferException(e).setUnfinishedMessage(this);
     } finally {
diff --git a/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/EnvironmentName.java b/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/EnvironmentName.java
index 3527419b..2f43a03a 100644
--- a/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/EnvironmentName.java
+++ b/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/EnvironmentName.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 Google LLC
+ * Copyright 2022 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/GetEnvironmentRequest.java b/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/GetEnvironmentRequest.java
index 62cf6c8d..6c10a26f 100644
--- a/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/GetEnvironmentRequest.java
+++ b/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/GetEnvironmentRequest.java
@@ -89,6 +89,8 @@ private GetEnvironmentRequest(
       }
     } catch (com.google.protobuf.InvalidProtocolBufferException e) {
       throw e.setUnfinishedMessage(this);
+    } catch (com.google.protobuf.UninitializedMessageException e) {
+      throw e.asInvalidProtocolBufferException().setUnfinishedMessage(this);
     } catch (java.io.IOException e) {
       throw new com.google.protobuf.InvalidProtocolBufferException(e).setUnfinishedMessage(this);
     } finally {
diff --git a/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/RemovePublicKeyMetadata.java b/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/RemovePublicKeyMetadata.java
index ce223282..77c39721 100644
--- a/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/RemovePublicKeyMetadata.java
+++ b/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/RemovePublicKeyMetadata.java
@@ -80,6 +80,8 @@ private RemovePublicKeyMetadata(
       }
     } catch (com.google.protobuf.InvalidProtocolBufferException e) {
       throw e.setUnfinishedMessage(this);
+    } catch (com.google.protobuf.UninitializedMessageException e) {
+      throw e.asInvalidProtocolBufferException().setUnfinishedMessage(this);
     } catch (java.io.IOException e) {
       throw new com.google.protobuf.InvalidProtocolBufferException(e).setUnfinishedMessage(this);
     } finally {
diff --git a/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/RemovePublicKeyRequest.java b/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/RemovePublicKeyRequest.java
index 1658da8e..0497d854 100644
--- a/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/RemovePublicKeyRequest.java
+++ b/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/RemovePublicKeyRequest.java
@@ -97,6 +97,8 @@ private RemovePublicKeyRequest(
       }
     } catch (com.google.protobuf.InvalidProtocolBufferException e) {
       throw e.setUnfinishedMessage(this);
+    } catch (com.google.protobuf.UninitializedMessageException e) {
+      throw e.asInvalidProtocolBufferException().setUnfinishedMessage(this);
     } catch (java.io.IOException e) {
       throw new com.google.protobuf.InvalidProtocolBufferException(e).setUnfinishedMessage(this);
     } finally {
diff --git a/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/RemovePublicKeyResponse.java b/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/RemovePublicKeyResponse.java
index 847e24a6..f88f1f10 100644
--- a/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/RemovePublicKeyResponse.java
+++ b/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/RemovePublicKeyResponse.java
@@ -80,6 +80,8 @@ private RemovePublicKeyResponse(
       }
     } catch (com.google.protobuf.InvalidProtocolBufferException e) {
       throw e.setUnfinishedMessage(this);
+    } catch (com.google.protobuf.UninitializedMessageException e) {
+      throw e.asInvalidProtocolBufferException().setUnfinishedMessage(this);
     } catch (java.io.IOException e) {
       throw new com.google.protobuf.InvalidProtocolBufferException(e).setUnfinishedMessage(this);
     } finally {
diff --git a/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/StartEnvironmentMetadata.java b/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/StartEnvironmentMetadata.java
index 5ce88ab7..cea8ca6b 100644
--- a/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/StartEnvironmentMetadata.java
+++ b/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/StartEnvironmentMetadata.java
@@ -89,6 +89,8 @@ private StartEnvironmentMetadata(
       }
     } catch (com.google.protobuf.InvalidProtocolBufferException e) {
       throw e.setUnfinishedMessage(this);
+    } catch (com.google.protobuf.UninitializedMessageException e) {
+      throw e.asInvalidProtocolBufferException().setUnfinishedMessage(this);
     } catch (java.io.IOException e) {
       throw new com.google.protobuf.InvalidProtocolBufferException(e).setUnfinishedMessage(this);
     } finally {
diff --git a/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/StartEnvironmentRequest.java b/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/StartEnvironmentRequest.java
index fcc19738..f0e4accd 100644
--- a/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/StartEnvironmentRequest.java
+++ b/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/StartEnvironmentRequest.java
@@ -109,6 +109,8 @@ private StartEnvironmentRequest(
       }
     } catch (com.google.protobuf.InvalidProtocolBufferException e) {
       throw e.setUnfinishedMessage(this);
+    } catch (com.google.protobuf.UninitializedMessageException e) {
+      throw e.asInvalidProtocolBufferException().setUnfinishedMessage(this);
     } catch (java.io.IOException e) {
       throw new com.google.protobuf.InvalidProtocolBufferException(e).setUnfinishedMessage(this);
     } finally {
diff --git a/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/StartEnvironmentResponse.java b/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/StartEnvironmentResponse.java
index 9e45a998..ac449b99 100644
--- a/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/StartEnvironmentResponse.java
+++ b/proto-google-cloud-shell-v1/src/main/java/com/google/cloud/shell/v1/StartEnvironmentResponse.java
@@ -97,6 +97,8 @@ private StartEnvironmentResponse(
       }
     } catch (com.google.protobuf.InvalidProtocolBufferException e) {
       throw e.setUnfinishedMessage(this);
+    } catch (com.google.protobuf.UninitializedMessageException e) {
+      throw e.asInvalidProtocolBufferException().setUnfinishedMessage(this);
     } catch (java.io.IOException e) {
       throw new com.google.protobuf.InvalidProtocolBufferException(e).setUnfinishedMessage(this);
     } finally {