/// <summary> /// Performs a subscription upgrade. /// </summary> /// <param name="newEntity">The subscription upgrade to perform.</param> /// <param name="cancellationToken">A cancellation token that can be used by other objects or threads to receive notice of cancellation.</param> /// <returns>The subscription upgrade result.</returns> public async Task <UpgradeResult> CreateAsync(Upgrade newEntity, CancellationToken cancellationToken = default) { newEntity.AssertNotNull(nameof(newEntity)); return(await Partner.ServiceClient.PostAsync <Upgrade, UpgradeResult>( new Uri( string.Format( CultureInfo.InvariantCulture, $"/{PartnerService.Instance.ApiVersion}/{PartnerService.Instance.Configuration.Apis.PostSubscriptionUpgrade.Path}", Context.Item1, Context.Item2), UriKind.Relative), newEntity, cancellationToken).ConfigureAwait(false)); }