/// <summary>
 /// Tests the existence of the specified Azure Storage container associated with the
 /// given Data Lake Analytics and Azure Storage accounts.
 /// </summary>
 /// <param name='operations'>
 /// The operations group for this extension method.
 /// </param>
 /// <param name='resourceGroupName'>
 /// The name of the Azure resource group that contains the Data Lake
 /// Analytics account.
 /// </param>
 /// <param name='accountName'>
 /// The name of the Data Lake Analytics account for which to retrieve
 /// blob container.
 /// </param>
 /// <param name='storageAccountName'>
 /// The name of the Azure storage account from which to test the
 /// blob container's existence.
 /// </param>
 /// <param name='containerName'>
 /// The name of the Azure storage container to test for existence.
 /// </param>
 /// <param name='cancellationToken'>
 /// The cancellation token.
 /// </param>
 public static async Task <bool> StorageContainerExistsAsync(this IAccountOperations operations, string resourceGroupName, string accountName, string storageAccountName, string containerName, CancellationToken cancellationToken = default(CancellationToken))
 {
     using (var _result = await operations.StorageContainerExistsWithHttpMessagesAsync(resourceGroupName, accountName, storageAccountName, containerName, null, cancellationToken).ConfigureAwait(false))
     {
         return(_result.Body);
     }
 }