public virtual PaginatedResult<Sheet> ListSheets(IEnumerable<SheetInclusion> includes, PaginationParameters paging, DateTime? modifiedSince)
{
IDictionary<string, string> parameters = new Dictionary<string, string>();
if (paging != null)
{
parameters = paging.toDictionary();
}
if (includes != null)
{
parameters.Add("include", QueryUtil.GenerateCommaSeparatedList(includes));
}
if (modifiedSince != null)
{
parameters.Add("modifiedSince", ((DateTime)modifiedSince).ToUniversalTime().ToString("o"));
}
return this.ListResourcesWithWrapper<Sheet>("sheets" + QueryUtil.GenerateUrl(null, parameters));
}