public Status<Refund> Update(string refundUri, string description = null, Dictionary<string, string> meta = null)
{
Dictionary<string, string> parameters = new Dictionary<string, string>();
parameters.Add("description", description);
if (meta != null)
foreach (var key in meta.Keys)
parameters.Add(string.Format("meta[{0}]", key), meta[key]);
return rest.GetResult<Refund>(this.Service.BaseUrl + refundUri, this.Service.Key, "", "put", parameters).AttachService(this.Service);
}