/// <summary>
 /// Attempts to enable a user managed Key Vault for encryption of the specified
 /// Data Lake Store account.
 /// </summary>
 /// <param name='operations'>
 /// The operations group for this extension method.
 /// </param>
 /// <param name='resourceGroupName'>
 /// The name of the Azure resource group.
 /// </param>
 /// <param name='accountName'>
 /// The name of the Data Lake Store account.
 /// </param>
 /// <param name='cancellationToken'>
 /// The cancellation token.
 /// </param>
 public static async Task EnableKeyVaultAsync(this IAccountsOperations operations, string resourceGroupName, string accountName, CancellationToken cancellationToken = default(CancellationToken))
 {
     (await operations.EnableKeyVaultWithHttpMessagesAsync(resourceGroupName, accountName, null, cancellationToken).ConfigureAwait(false)).Dispose();
 }