code: public ServiceFuture<DscConfigurationInner> getAsync(String resourceGroupName, String automationAccountName, String configurationName, final ServiceCallback<DscConfigurationInner> serviceCallback) {
          return ServiceFuture.fromResponse(getWithServiceResponseAsync(resourceGroupName, automationAccountName, configurationName), serviceCallback);
      }
docs: Retrieve the configuration identified by configuration name.
  
  @param resourceGroupName Name of an Azure Resource group.
  @param automationAccountName The name of the automation account.
  @param configurationName The configuration name.
  @param serviceCallback the async ServiceCallback to handle successful and failed responses.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the {@link ServiceFuture} object