public virtual ManagementGroupPolicyDefinitionCreateOrUpdateOperation CreateOrUpdate(bool waitForCompletion, string policyDefinitionName, PolicyDefinitionData parameters, CancellationToken cancellationToken = default)
        {
            Argument.AssertNotNullOrEmpty(policyDefinitionName, nameof(policyDefinitionName));
            if (parameters == null)
            {
                throw new ArgumentNullException(nameof(parameters));
            }

            using var scope = _managementGroupPolicyDefinitionPolicyDefinitionsClientDiagnostics.CreateScope("ManagementGroupPolicyDefinitionCollection.CreateOrUpdate");
            scope.Start();
            try
            {
                var response  = _managementGroupPolicyDefinitionPolicyDefinitionsRestClient.CreateOrUpdateAtManagementGroup(Id.Name, policyDefinitionName, parameters, cancellationToken);
                var operation = new ManagementGroupPolicyDefinitionCreateOrUpdateOperation(ArmClient, response);
                if (waitForCompletion)
                {
                    operation.WaitForCompletion(cancellationToken);
                }
                return(operation);
            }
            catch (Exception e)
            {
                scope.Failed(e);
                throw;
            }
        }
        protected async Task <ManagementGroupPolicyDefinition> CreatePolicyDefinitionAtMgmtGroup(ManagementGroup mgmtGroup, string policyDefinitionName)
        {
            PolicyDefinitionData input = ConstructPolicyDefinitionData(policyDefinitionName);
            ManagementGroupPolicyDefinitionCreateOrUpdateOperation lro = await mgmtGroup.GetManagementGroupPolicyDefinitions().CreateOrUpdateAsync(true, policyDefinitionName, input);

            return(lro.Value);
        }