public async Task BatchAnnotateImagesAsync()
        {
            // Snippet: BatchAnnotateImagesAsync(IEnumerable<AnnotateImageRequest>,CallSettings)
            // Additional: BatchAnnotateImagesAsync(IEnumerable<AnnotateImageRequest>,CancellationToken)
            // Create client
            ImageAnnotatorClient imageAnnotatorClient = ImageAnnotatorClient.Create();
            // Initialize request argument(s)
            IEnumerable <AnnotateImageRequest> requests = new List <AnnotateImageRequest>();
            // Make the request
            BatchAnnotateImagesResponse response = await imageAnnotatorClient.BatchAnnotateImagesAsync(requests);

            // End snippet
        }
        /// <summary>Snippet for BatchAnnotateImagesAsync</summary>
        public async Task BatchAnnotateImagesAsync_RequestObject()
        {
            // Snippet: BatchAnnotateImagesAsync(BatchAnnotateImagesRequest,CallSettings)
            // Create client
            ImageAnnotatorClient imageAnnotatorClient = await ImageAnnotatorClient.CreateAsync();

            // Initialize request argument(s)
            BatchAnnotateImagesRequest request = new BatchAnnotateImagesRequest
            {
                Requests = { },
            };
            // Make the request
            BatchAnnotateImagesResponse response = await imageAnnotatorClient.BatchAnnotateImagesAsync(request);

            // End snippet
        }
        /// <summary>Snippet for BatchAnnotateImagesAsync</summary>
        public async Task BatchAnnotateImagesRequestObjectAsync()
        {
            // Snippet: BatchAnnotateImagesAsync(BatchAnnotateImagesRequest, CallSettings)
            // Additional: BatchAnnotateImagesAsync(BatchAnnotateImagesRequest, CancellationToken)
            // Create client
            ImageAnnotatorClient imageAnnotatorClient = await ImageAnnotatorClient.CreateAsync();

            // Initialize request argument(s)
            BatchAnnotateImagesRequest request = new BatchAnnotateImagesRequest
            {
                Requests =
                {
                    new AnnotateImageRequest(),
                },
                Parent = "",
            };
            // Make the request
            BatchAnnotateImagesResponse response = await imageAnnotatorClient.BatchAnnotateImagesAsync(request);

            // End snippet
        }