/// <summary>
 /// Gets a deployments operation.
 /// </summary>
 /// <param name='operations'>
 /// The operations group for this extension method.
 /// </param>
 /// <param name='deploymentName'>
 /// The name of the deployment.
 /// </param>
 /// <param name='operationId'>
 /// The ID of the operation to get.
 /// </param>
 /// <param name='cancellationToken'>
 /// The cancellation token.
 /// </param>
 public static async Task <DeploymentOperation> GetAtSubscriptionScopeAsync(this IDeploymentOperations operations, string deploymentName, string operationId, CancellationToken cancellationToken = default(CancellationToken))
 {
     using (var _result = await operations.GetAtSubscriptionScopeWithHttpMessagesAsync(deploymentName, operationId, null, cancellationToken).ConfigureAwait(false))
     {
         return(_result.Body);
     }
 }