/// <summary>
 /// Updates specific product subscription.
 /// </summary>
 /// <param name='operations'>
 /// Reference to the
 /// Microsoft.Azure.Management.ApiManagement.ISubscriptionsOperations.
 /// </param>
 /// <param name='resourceGroupName'>
 /// Required. The name of the resource group.
 /// </param>
 /// <param name='serviceName'>
 /// Required. The name of the Api Management service.
 /// </param>
 /// <param name='sid'>
 /// Required. Identifier of the subscription.
 /// </param>
 /// <param name='parameters'>
 /// Required. Update parameters.
 /// </param>
 /// <param name='etag'>
 /// Required. ETag.
 /// </param>
 /// <returns>
 /// A standard service response including an HTTP status code and
 /// request ID.
 /// </returns>
 public static Task<AzureOperationResponse> UpdateAsync(this ISubscriptionsOperations operations, string resourceGroupName, string serviceName, string sid, SubscriptionUpdateParameters parameters, string etag)
 {
     return operations.UpdateAsync(resourceGroupName, serviceName, sid, parameters, etag, CancellationToken.None);
 }
 /// <summary>
 /// Updates specific product subscription.
 /// </summary>
 /// <param name='operations'>
 /// Reference to the
 /// Microsoft.Azure.Management.ApiManagement.ISubscriptionsOperations.
 /// </param>
 /// <param name='resourceGroupName'>
 /// Required. The name of the resource group.
 /// </param>
 /// <param name='serviceName'>
 /// Required. The name of the Api Management service.
 /// </param>
 /// <param name='sid'>
 /// Required. Identifier of the subscription.
 /// </param>
 /// <param name='parameters'>
 /// Required. Update parameters.
 /// </param>
 /// <param name='etag'>
 /// Required. ETag.
 /// </param>
 /// <returns>
 /// A standard service response including an HTTP status code and
 /// request ID.
 /// </returns>
 public static AzureOperationResponse Update(this ISubscriptionsOperations operations, string resourceGroupName, string serviceName, string sid, SubscriptionUpdateParameters parameters, string etag)
 {
     return Task.Factory.StartNew((object s) => 
     {
         return ((ISubscriptionsOperations)s).UpdateAsync(resourceGroupName, serviceName, sid, parameters, etag);
     }
     , operations, CancellationToken.None, TaskCreationOptions.None, TaskScheduler.Default).Unwrap().GetAwaiter().GetResult();
 }