code: public void addStorageAccount(String resourceGroupName, String accountName, String storageAccountName, AddStorageAccountParameters parameters) {
          addStorageAccountWithServiceResponseAsync(resourceGroupName, accountName, storageAccountName, parameters).toBlocking().single().body();
      }
docs: Updates the specified Data Lake Analytics account to add an Azure Storage account.
  
  @param resourceGroupName The name of the Azure resource group that contains the Data Lake Analytics account.
  @param accountName The name of the Data Lake Analytics account to which to add the Azure Storage account.
  @param storageAccountName The name of the Azure Storage account to add
  @param parameters The parameters containing the access key and optional suffix for the Azure Storage Account.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @throws CloudException thrown if the request is rejected by server
  @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent