public static async Task<TwitterListCursored> GetListOwned(this ITwitterSession session,
string screenName = "", long userId = 0, int count = 20, long cursor = -1)
{
var parameters = new TwitterParametersCollection();
parameters.Create(user_id: userId, screen_name: screenName, count: count, cursor: cursor);
return await session.GetAsync(TwitterApi.Resolve("/1.1/lists/ownerships.json"), parameters)
.ContinueWith(c => c.MapToSingle<TwitterListCursored>());
}