def create_or_update_at_management_group_with_http_info(policy_set_definition_name, parameters, management_group_id, custom_headers:nil)
      create_or_update_at_management_group_async(policy_set_definition_name, parameters, management_group_id, custom_headers:custom_headers).value!
    end
def create_or_update_at_management_group_with_http_info(policy_set_definition_name, parameters, management_group_id, custom_headers:nil)
      create_or_update_at_management_group_async(policy_set_definition_name, parameters, management_group_id, custom_headers:custom_headers).value!
    end
Creates or updates a policy set definition at management group level.

 @param policy_set_definition_name [String] The name of the policy set
 definition to create.
 @param parameters [PolicySetDefinition] The policy set definition properties.
 @param management_group_id [String] The ID of the management group.
 @param custom_headers [Hash{String => String}] A hash of custom headers that
 will be added to the HTTP request.

 @return [MsRestAzure::AzureOperationResponse] HTTP response information.