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namespace pubsub_admin = ::google::cloud::pubsub_admin;
namespace pubsub = ::google::cloud::pubsub;
[](pubsub_admin::SubscriptionAdminClient client,
   std::string const& project_id, std::string const& subscription_id) {
  auto status = client.DeleteSubscription(
      pubsub::Subscription(project_id, subscription_id).FullName());
  // Note that kNotFound is a possible result when the library retries.
  if (status.code() == google::cloud::StatusCode::kNotFound) {
    std::cout << "The subscription was not found\n";
    return;
  }
  if (!status.ok()) throw std::runtime_error(status.message());

  std::cout << "The subscription was successfully deleted\n";

using Google.Cloud.PubSub.V1;

public class DeleteSubscriptionSample
{
    public void DeleteSubscription(string projectId, string subscriptionId)
    {
        SubscriberServiceApiClient subscriber = SubscriberServiceApiClient.Create();
        SubscriptionName subscriptionName = SubscriptionName.FromProjectSubscription(projectId, subscriptionId);
        subscriber.DeleteSubscription(subscriptionName);
    }
}

import (
	"context"
	"fmt"
	"io"

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

func delete(w io.Writer, projectID, subID string) error {
	// projectID := "my-project-id"
	// subID := "my-sub"
	ctx := context.Background()
	client, err := pubsub.NewClient(ctx, projectID)
	if err != nil {
		return fmt.Errorf("pubsub.NewClient: %w", err)
	}
	defer client.Close()

	sub := client.Subscription(subID)
	if err := sub.Delete(ctx); err != nil {
		return fmt.Errorf("Delete: %w", err)
	}
	fmt.Fprintf(w, "Subscription %q deleted.", subID)
	return nil
}

import com.google.api.gax.rpc.NotFoundException;
import com.google.cloud.pubsub.v1.SubscriptionAdminClient;
import com.google.pubsub.v1.SubscriptionName;
import java.io.IOException;

public class DeleteSubscriptionExample {

  public static void main(String... args) throws Exception {
    // TODO(developer): Replace these variables before running the sample.
    String projectId = "your-project-id";
    String subscriptionId = "your-subscription-id";

    deleteSubscriptionExample(projectId, subscriptionId);
  }

  public static void deleteSubscriptionExample(String projectId, String subscriptionId)
      throws IOException {
    try (SubscriptionAdminClient subscriptionAdminClient = SubscriptionAdminClient.create()) {
      SubscriptionName subscriptionName = SubscriptionName.of(projectId, subscriptionId);
      try {
        subscriptionAdminClient.deleteSubscription(subscriptionName);
        System.out.println("Deleted subscription.");
      } catch (NotFoundException e) {
        System.out.println(e.getMessage());
      }
    }
  }
}

/**
 * TODO(developer): Uncomment this variable before running the sample.
 */
// const subscriptionNameOrId = 'YOUR_SUBSCRIPTION_NAME_OR_ID';

// Imports the Google Cloud client library
const {PubSub} = require('@google-cloud/pubsub');

// Creates a client; cache this for further use
const pubSubClient = new PubSub();

async function deleteSubscription(subscriptionNameOrId) {
  // Deletes the subscription
  await pubSubClient.subscription(subscriptionNameOrId).delete();
  console.log(`Subscription ${subscriptionNameOrId} deleted.`);
}

/**
 * TODO(developer): Uncomment this variable before running the sample.
 */
// const subscriptionNameOrId = 'YOUR_SUBSCRIPTION_NAME_OR_ID';

// Imports the Google Cloud client library
import {PubSub} from '@google-cloud/pubsub';

// Creates a client; cache this for further use
const pubSubClient = new PubSub();

async function deleteSubscription(subscriptionNameOrId: string) {
  // Deletes the subscription
  await pubSubClient.subscription(subscriptionNameOrId).delete();
  console.log(`Subscription ${subscriptionNameOrId} deleted.`);
}

use Google\Cloud\PubSub\PubSubClient;

/**
 * Creates a Pub/Sub subscription.
 *
 * @param string $projectId  The Google project ID.
 * @param string $subscriptionName  The Pub/Sub subscription name.
 */
function delete_subscription($projectId, $subscriptionName)
{
    $pubsub = new PubSubClient([
        'projectId' => $projectId,
    ]);
    $subscription = $pubsub->subscription($subscriptionName);
    $subscription->delete();

    printf('Subscription deleted: %s' . PHP_EOL, $subscription->name());
}

from google.cloud import pubsub_v1

# TODO(developer)
# project_id = "your-project-id"
# subscription_id = "your-subscription-id"

subscriber = pubsub_v1.SubscriberClient()
subscription_path = subscriber.subscription_path(project_id, subscription_id)

# Wrap the subscriber in a 'with' block to automatically call close() to
# close the underlying gRPC channel when done.
with subscriber:
    subscriber.delete_subscription(request={"subscription": subscription_path})

print(f"Subscription deleted: {subscription_path}.")

# subscription_id = "your-subscription-id"

pubsub = Google::Cloud::Pubsub.new

subscription = pubsub.subscription subscription_id
subscription.delete

puts "Subscription #{subscription_id} deleted."