private async Task <StorageAccount> CreateStorageAccountAsync(string resourceGroupName, string accountName, StorageAccountCreateParameters parameters = null)
{
StorageAccountCreateParameters saParameters = parameters ?? GetDefaultStorageAccountParameters();
Operation <StorageAccount> accountsResponse = await AccountsClient.StartCreateAsync(resourceGroupName, accountName, saParameters);
StorageAccount account = (await WaitForCompletionAsync(accountsResponse)).Value;
return(account);
}