public static async Task <WebIntResult> ProcessAsync(IOwinContext context, string filter)
        {
            var output = await GetMovieActors.ProcessAsync(context, filter, null, null);

            return(new WebIntResult {
                Result = output.Count
            });
        }
        public static async Task <IList <WebActor> > ProcessAsync(IOwinContext context, int start, int end, string filter, WebSortField?sort, WebSortOrder?order)
        {
            IEnumerable <WebActor> output = await GetMovieActors.ProcessAsync(context, filter, sort, order);

            // get range
            output = output.TakeRange(start, end);
            return(output.ToList());
        }