public virtual Task <StripeSubscriptionItem> UpdateAsync(string subscriptionItemId, StripeSubscriptionItemUpdateOptions options, StripeRequestOptions requestOptions = null, CancellationToken cancellationToken = default(CancellationToken))
 {
     return(PostAsync($"{Urls.BaseUrl}/subscription_items/{subscriptionItemId}", requestOptions, cancellationToken, options));
 }
 public virtual StripeSubscriptionItem Update(string subscriptionItemId, StripeSubscriptionItemUpdateOptions options, StripeRequestOptions requestOptions = null)
 {
     return(Post($"{Urls.BaseUrl}/subscription_items/{subscriptionItemId}", requestOptions, options));
 }