code: public ServiceFuture<PolicySetDefinitionInner> createOrUpdateAtManagementGroupAsync(String policySetDefinitionName, String managementGroupId, PolicySetDefinitionInner parameters, final ServiceCallback<PolicySetDefinitionInner> serviceCallback) {
          return ServiceFuture.fromResponse(createOrUpdateAtManagementGroupWithServiceResponseAsync(policySetDefinitionName, managementGroupId, parameters), serviceCallback);
      }
docs: Creates or updates a policy set definition.
  This operation creates or updates a policy set definition in the given management group with the given name.
  
  @param policySetDefinitionName The name of the policy set definition to create.
  @param managementGroupId The ID of the management group.
  @param parameters The policy set definition properties.
  @param serviceCallback the async ServiceCallback to handle successful and failed responses.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the {@link ServiceFuture} object