public async Task RenderEmptyCustomFilter()
        {
            var customFilter = new EmptyCustomFilter();

            using (var source = KnownImages.MikikoLynn.ImageSource)
            using (var filterEffect = new FilterEffect(source) { Filters = new[] { customFilter } })
            using (var renderer = new JpegRenderer(filterEffect))
            {
                var buffer = await renderer.RenderAsync();
                ImageResults.Instance.SaveToPicturesLibrary(buffer);
            }
        }
        public async Task RenderEmptyCustomFilter()
        {
            var customFilter = new EmptyCustomFilter();

            using (var source = KnownImages.MikikoLynn.ImageSource)
                using (var filterEffect = new FilterEffect(source)
                {
                    Filters = new[] { customFilter }
                })
                    using (var renderer = new JpegRenderer(filterEffect))
                    {
                        var buffer = await renderer.RenderAsync();

                        ImageResults.Instance.SaveToPicturesLibrary(buffer);
                    }
        }