Amazon.S3.AmazonS3Client.PutObjectTaggingAsync C# (CSharp) Метод

        public void PutObjectTaggingAsync(PutObjectTaggingRequest request, AmazonServiceCallback<PutObjectTaggingRequest, PutObjectTaggingResponse> callback, AsyncOptions options = null)
        {
            if (AWSConfigs.HttpClient == AWSConfigs.HttpClientOption.UnityWWW)
            {
                throw new InvalidOperationException("PutObjectTagging is only allowed with AWSConfigs.HttpClientOption.UnityWebRequest API option");
            }
            options = options == null?new AsyncOptions():options;
            var marshaller = new PutObjectTaggingRequestMarshaller();
            var unmarshaller = PutObjectTaggingResponseUnmarshaller.Instance;
            Action<AmazonWebServiceRequest, AmazonWebServiceResponse, Exception, AsyncOptions> callbackHelper = null;
            if(callback !=null )
                callbackHelper = (AmazonWebServiceRequest req, AmazonWebServiceResponse res, Exception ex, AsyncOptions ao) => { 
                    AmazonServiceResult<PutObjectTaggingRequest,PutObjectTaggingResponse> responseObject 
                            = new AmazonServiceResult<PutObjectTaggingRequest,PutObjectTaggingResponse>((PutObjectTaggingRequest)req, (PutObjectTaggingResponse)res, ex , ao.State);    
                        callback(responseObject); 
                };
            BeginInvoke<PutObjectTaggingRequest>(request, marshaller, unmarshaller, options, callbackHelper);
        }