public async static Task<SavedSearch> DeleteSavedSearch(this IUserSession session, string SavedSearchId)
{
var parameters = new TwitterParametersCollection();
var savedSearch = TwitterApi.Resolve("/1.1/saved_searches/destroy/{0}.json", SavedSearchId);
return await session.PostAsync(savedSearch, parameters)
.ContinueWith(c => c.MapToSingle<SavedSearch>());
}