code: public ServiceFuture<SummarizeResultsInner> summarizeForManagementGroupAsync(String managementGroupName, final ServiceCallback<SummarizeResultsInner> serviceCallback) {
          return ServiceFuture.fromResponse(summarizeForManagementGroupWithServiceResponseAsync(managementGroupName), serviceCallback);
      }
docs: Summarizes policy states for the resources under the management group.
  
  @param managementGroupName Management group 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