public static async Task <SanityDocumentResponse <SanityImageAsset> > UploadImageAsync(this SanityClient client, Uri imageUrl, string label = null, CancellationToken cancellationToken = default)
        {
            if (imageUrl == null)
            {
                throw new ArgumentNullException(nameof(imageUrl));
            }
            //Default to JPG
            var mimeType  = MimeTypeMap.GetMimeType(".jpg");
            var fileName  = imageUrl.PathAndQuery.Split('?')[0].Split('#')[0].Split('/').Last();
            var extension = fileName.Split('.').Last();

            if (extension != fileName)
            {
                mimeType = MimeTypeMap.GetMimeType(extension);
            }
            using (var fs = await _httpClient.GetStreamAsync(imageUrl).ConfigureAwait(false))
            {
                var result = await client.UploadImageAsync(fs, fileName, mimeType, label ?? "Source:" + imageUrl.OriginalString, cancellationToken).ConfigureAwait(false);

                fs.Close();
                return(result);
            }
        }