public DigitalOceanBucketClient(HttpClient client, string accessKeyID, string accessKeySecret, string region)
        {
            var signer = new AWS4RequestSigner(accessKeyID, accessKeySecret);

            _client = new DigitalOceanHttpClient(client, signer, region);
            _region = region;
        }
 internal DigitalOceanBucket(string key, DigitalOceanHttpClient client, string region,
                             DigitalOceanBucketClient bucketClient)
 {
     _region       = region;
     _client       = client;
     _key          = key;
     _bucketClient = bucketClient;
 }