public async virtual Task <AppServiceDomainCreateOrUpdateOperation> CreateOrUpdateAsync(bool waitForCompletion, string domainName, AppServiceDomainData domain, CancellationToken cancellationToken = default)
        {
            Argument.AssertNotNullOrEmpty(domainName, nameof(domainName));
            if (domain == null)
            {
                throw new ArgumentNullException(nameof(domain));
            }

            using var scope = _appServiceDomainDomainsClientDiagnostics.CreateScope("AppServiceDomainCollection.CreateOrUpdate");
            scope.Start();
            try
            {
                var response = await _appServiceDomainDomainsRestClient.CreateOrUpdateAsync(Id.SubscriptionId, Id.ResourceGroupName, domainName, domain, cancellationToken).ConfigureAwait(false);

                var operation = new AppServiceDomainCreateOrUpdateOperation(ArmClient, _appServiceDomainDomainsClientDiagnostics, Pipeline, _appServiceDomainDomainsRestClient.CreateCreateOrUpdateRequest(Id.SubscriptionId, Id.ResourceGroupName, domainName, domain).Request, response);
                if (waitForCompletion)
                {
                    await operation.WaitForCompletionAsync(cancellationToken).ConfigureAwait(false);
                }
                return(operation);
            }
            catch (Exception e)
            {
                scope.Failed(e);
                throw;
            }
        }
        public virtual async Task <ArmOperation <AppServiceDomainResource> > CreateOrUpdateAsync(WaitUntil waitUntil, string domainName, AppServiceDomainData data, CancellationToken cancellationToken = default)
        {
            Argument.AssertNotNullOrEmpty(domainName, nameof(domainName));
            Argument.AssertNotNull(data, nameof(data));

            using var scope = _appServiceDomainDomainsClientDiagnostics.CreateScope("AppServiceDomainCollection.CreateOrUpdate");
            scope.Start();
            try
            {
                var response = await _appServiceDomainDomainsRestClient.CreateOrUpdateAsync(Id.SubscriptionId, Id.ResourceGroupName, domainName, data, cancellationToken).ConfigureAwait(false);

                var operation = new AppServiceArmOperation <AppServiceDomainResource>(new AppServiceDomainOperationSource(Client), _appServiceDomainDomainsClientDiagnostics, Pipeline, _appServiceDomainDomainsRestClient.CreateCreateOrUpdateRequest(Id.SubscriptionId, Id.ResourceGroupName, domainName, data).Request, response, OperationFinalStateVia.Location);
                if (waitUntil == WaitUntil.Completed)
                {
                    await operation.WaitForCompletionAsync(cancellationToken).ConfigureAwait(false);
                }
                return(operation);
            }
            catch (Exception e)
            {
                scope.Failed(e);
                throw;
            }
        }