feat(cloudkms): add delete CryptoKey, delete CryptoKeyVersions, get RetiredResource, and list RetiredResources code samples

kms/api/Kms.Samples/DeleteKey.cs

@@ -0,0 +1,37 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// [START kms_delete_key]
+using Google.Cloud.Kms.V1;
+using Google.LongRunning;
+using Google.Protobuf.WellKnownTypes;
+
+public class DeleteKeySample
+{
+    public Operation<Empty, DeleteCryptoKeyMetadata> DeleteKey(string projectId = "my-project", string locationId = "us-east1", string keyRingId = "my-key-ring", string keyId = "my-key")
+    {
+        // Create the client.
+        KeyManagementServiceClient client = KeyManagementServiceClient.Create();
+
+        // Build the key name.
+        CryptoKeyName keyName = new CryptoKeyName(projectId, locationId, keyRingId, keyId);
+
+        // Call the API.
+        Operation<Empty, DeleteCryptoKeyMetadata> result = client.DeleteCryptoKey(keyName);
+
+        // Return the result.
+        return result;
+    }
+}
+// [END kms_delete_key]

kms/api/Kms.Samples/DeleteKeyVersion.cs

@@ -0,0 +1,37 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// [START kms_delete_key_version]
+using Google.Cloud.Kms.V1;
+using Google.LongRunning;
+using Google.Protobuf.WellKnownTypes;
+
+public class DeleteKeyVersionSample
+{
+    public Operation<Empty, DeleteCryptoKeyVersionMetadata> DeleteKeyVersion(string projectId = "my-project", string locationId = "us-east1", string keyRingId = "my-key-ring", string keyId = "my-key", string versionId = "123")
+    {
+        // Create the client.
+        KeyManagementServiceClient client = KeyManagementServiceClient.Create();
+
+        // Build the key version name.
+        CryptoKeyVersionName versionName = new CryptoKeyVersionName(projectId, locationId, keyRingId, keyId, versionId);
+
+        // Call the API.
+        Operation<Empty, DeleteCryptoKeyVersionMetadata> result = client.DeleteCryptoKeyVersion(versionName);
+
+        // Return the result.
+        return result;
+    }
+}
+// [END kms_delete_key_version]

kms/api/Kms.Samples/GetRetiredResource.cs

@@ -0,0 +1,37 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// [START kms_get_retired_resource]
+using Google.Api.Gax.ResourceNames;
+using Google.Cloud.Kms.V1;
+
+public class GetRetiredResourceSample
+{
+    public RetiredResource GetRetiredResource(
+        string projectId = "my-project", string locationId = "us-east1", string retiredResourceId = "my-retired-resource")
+    {
+        // Create the client.
+        KeyManagementServiceClient client = KeyManagementServiceClient.Create();
+
+        // Build the retired resource name.
+        RetiredResourceName name = new RetiredResourceName(projectId, locationId, retiredResourceId);
+
+        // Call the API.
+        RetiredResource result = client.GetRetiredResource(name);
+
+        // Return the result.
+        return result;
+    }
+}
+// [END kms_get_retired_resource]

kms/api/Kms.Samples/Kms.Samples.csproj

@@ -5,6 +5,6 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Google.Cloud.Kms.V1" Version="3.21.0" />
+    <PackageReference Include="Google.Cloud.Kms.V1" Version="3.22.0" />
   </ItemGroup>
 </Project>

kms/api/Kms.Samples/ListRetiredResources.cs

@@ -0,0 +1,39 @@
+// Copyright 2026 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// [START kms_list_retired_resources]
+using Google.Api.Gax;
+using Google.Api.Gax.ResourceNames;
+using Google.Cloud.Kms.V1;
+using System.Collections.Generic;
+
+public class ListRetiredResourcesSample
+{
+    public IEnumerable<RetiredResource> ListRetiredResources(
+        string projectId = "my-project", string locationId = "us-east1")
+    {
+        // Create the client.
+        KeyManagementServiceClient client = KeyManagementServiceClient.Create();
+
+        // Build the location name.
+        LocationName locationName = new LocationName(projectId, locationId);
+
+        // Call the API.
+        PagedEnumerable<ListRetiredResourcesResponse, RetiredResource> response = client.ListRetiredResources(locationName);
+
+        // Return the result.
+        return response;
+    }
+}
+// [END kms_list_retired_resources]