/// <summary>Snippet for ListEntitiesAsync</summary>
        public async Task ListEntitiesRequestObjectAsync()
        {
            // Snippet: ListEntitiesAsync(ListEntitiesRequest, CallSettings)
            // Create client
            MetadataServiceClient metadataServiceClient = await MetadataServiceClient.CreateAsync();

            // Initialize request argument(s)
            ListEntitiesRequest request = new ListEntitiesRequest
            {
                ParentAsZoneName = ZoneName.FromProjectLocationLakeZone("[PROJECT]", "[LOCATION]", "[LAKE]", "[ZONE]"),
                View             = ListEntitiesRequest.Types.EntityView.Unspecified,
                Filter           = "",
            };
            // Make the request
            PagedAsyncEnumerable <ListEntitiesResponse, Entity> response = metadataServiceClient.ListEntitiesAsync(request);

            // Iterate over all response items, lazily performing RPCs as required
            await response.ForEachAsync((Entity item) =>
            {
                // Do something with each item
                Console.WriteLine(item);
            });

            // Or iterate over pages (of server-defined size), performing one RPC per page
            await response.AsRawResponses().ForEachAsync((ListEntitiesResponse page) =>
            {
                // Do something with each page of items
                Console.WriteLine("A page of results:");
                foreach (Entity item in page)
                {
                    // Do something with each item
                    Console.WriteLine(item);
                }
            });

            // Or retrieve a single page of known size (unless it's the final page), performing as many RPCs as required
            int           pageSize   = 10;
            Page <Entity> singlePage = await response.ReadPageAsync(pageSize);

            // Do something with the page of items
            Console.WriteLine($"A page of {pageSize} results (unless it's the final page):");
            foreach (Entity item in singlePage)
            {
                // Do something with each item
                Console.WriteLine(item);
            }
            // Store the pageToken, for when the next page is required.
            string nextPageToken = singlePage.NextPageToken;
            // End snippet
        }
        /// <summary>Snippet for ListEntitiesAsync</summary>
        public async Task ListEntitiesAsync()
        {
            // Snippet: ListEntitiesAsync(string, string, int?, CallSettings)
            // Create client
            MetadataServiceClient metadataServiceClient = await MetadataServiceClient.CreateAsync();

            // Initialize request argument(s)
            string parent = "projects/[PROJECT]/locations/[LOCATION]/lakes/[LAKE]/zones/[ZONE]";
            // Make the request
            PagedAsyncEnumerable <ListEntitiesResponse, Entity> response = metadataServiceClient.ListEntitiesAsync(parent);

            // Iterate over all response items, lazily performing RPCs as required
            await response.ForEachAsync((Entity item) =>
            {
                // Do something with each item
                Console.WriteLine(item);
            });

            // Or iterate over pages (of server-defined size), performing one RPC per page
            await response.AsRawResponses().ForEachAsync((ListEntitiesResponse page) =>
            {
                // Do something with each page of items
                Console.WriteLine("A page of results:");
                foreach (Entity item in page)
                {
                    // Do something with each item
                    Console.WriteLine(item);
                }
            });

            // Or retrieve a single page of known size (unless it's the final page), performing as many RPCs as required
            int           pageSize   = 10;
            Page <Entity> singlePage = await response.ReadPageAsync(pageSize);

            // Do something with the page of items
            Console.WriteLine($"A page of {pageSize} results (unless it's the final page):");
            foreach (Entity item in singlePage)
            {
                // Do something with each item
                Console.WriteLine(item);
            }
            // Store the pageToken, for when the next page is required.
            string nextPageToken = singlePage.NextPageToken;
            // End snippet
        }