Mengubah kelas penyimpanan objek

namespace gcs = ::google::cloud::storage;
using ::google::cloud::StatusOr;
[](gcs::Client client, std::string const& bucket_name,
   std::string const& object_name, std::string const& storage_class) {
  StatusOr<gcs::ObjectMetadata> object_metadata =
      client.RewriteObjectBlocking(
          bucket_name, object_name, bucket_name, object_name,
          gcs::WithObjectMetadata(
              gcs::ObjectMetadata().set_storage_class(storage_class)));
  if (!object_metadata) throw std::move(object_metadata).status();

  std::cout << "Changed storage class of object " << object_metadata->name()
            << " in bucket " << object_metadata->bucket() << " to "
            << object_metadata->storage_class() << "\n";
}

using Google.Cloud.Storage.V1;
using System;

public class ChangeFileStorageClassSample
{
    public Google.Apis.Storage.v1.Data.Object ChangeFileStorageClass(
        string bucketName = "your-bucket-name",
        string objectName = "your-object-name",
        string storageClass = StorageClasses.Standard)
    {
        var storage = StorageClient.Create();

        // Changing storage class requires a rewrite operation, which can only be done
        // by the underlying service
        var obj = new Google.Apis.Storage.v1.Data.Object { StorageClass = storageClass };
        storage.Service.Objects.Rewrite(obj, bucketName, objectName, bucketName, objectName).Execute();

        var file = storage.GetObject(bucketName, objectName);
        Console.WriteLine($"Object {objectName} in bucket {bucketName} had" +
            $" its storage class set to {storageClass}.");

        return file;
    }
}

import (
	"context"
	"fmt"
	"io"
	"time"

	"cloud.google.com/go/storage"
)

// changeObjectStorageClass changes the storage class of a single object.
func changeObjectStorageClass(w io.Writer, bucket, object string) error {
	// bucket := "bucket-name"
	// object := "object-name"
	ctx := context.Background()
	client, err := storage.NewClient(ctx)
	if err != nil {
		return fmt.Errorf("storage.NewClient: %w", err)
	}
	defer client.Close()

	ctx, cancel := context.WithTimeout(ctx, time.Second*10)
	defer cancel()

	o := client.Bucket(bucket).Object(object)

	// Optional: set a generation-match precondition to avoid potential race
	// conditions and data corruptions. The request to copy is aborted if the
	// object's generation number does not match your precondition.
	attrs, err := o.Attrs(ctx)
	if err != nil {
		return fmt.Errorf("object.Attrs: %w", err)
	}
	o = o.If(storage.Conditions{GenerationMatch: attrs.