docs: public void deleteCluster() {
      System.out.printf("%nDeleting cluster: %s from instance: %s%n", CLUSTER, instanceId);
      // [START bigtable_delete_cluster]
      try {
        adminClient.deleteCluster(instanceId, CLUSTER);
        System.out.printf("Cluster: %s deleted successfully%n", CLUSTER);
      } catch (NotFoundException e) {
        System.err.println("Failed to delete a non-existent cluster: " + e.getMessage());
      }
      // [END bigtable_delete_cluster]
    }