code: public DataLakeAnalyticsAccountInner beginUpdate(String resourceGroupName, String name, DataLakeAnalyticsAccountInner parameters) {
          return beginUpdateWithServiceResponseAsync(resourceGroupName, name, parameters).toBlocking().single().body();
      }
docs: Updates the Data Lake Analytics account object specified by the accountName with the contents of the account object.
  
  @param resourceGroupName The name of the Azure resource group that contains the Data Lake Analytics account.
  @param name The name of the Data Lake Analytics account to update.
  @param parameters Parameters supplied to the update Data Lake Analytics account operation.
  @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
  @return the DataLakeAnalyticsAccountInner object if successful.