/// <summary>Snippet for StartEnvironmentAsync</summary>
        public async Task StartEnvironmentRequestObjectAsync()
        {
            // Snippet: StartEnvironmentAsync(StartEnvironmentRequest, CallSettings)
            // Additional: StartEnvironmentAsync(StartEnvironmentRequest, CancellationToken)
            // Create client
            CloudShellServiceClient cloudShellServiceClient = await CloudShellServiceClient.CreateAsync();

            // Initialize request argument(s)
            StartEnvironmentRequest request = new StartEnvironmentRequest
            {
                Name        = "",
                AccessToken = "",
                PublicKeys  = { "", },
            };
            // Make the request
            Operation <StartEnvironmentResponse, StartEnvironmentMetadata> response = await cloudShellServiceClient.StartEnvironmentAsync(request);

            // Poll until the returned long-running operation is complete
            Operation <StartEnvironmentResponse, StartEnvironmentMetadata> completedResponse = await response.PollUntilCompletedAsync();

            // Retrieve the operation result
            StartEnvironmentResponse result = completedResponse.Result;

            // Or get the name of the operation
            string operationName = response.Name;
            // This name can be stored, then the long-running operation retrieved later by name
            Operation <StartEnvironmentResponse, StartEnvironmentMetadata> retrievedResponse = await cloudShellServiceClient.PollOnceStartEnvironmentAsync(operationName);

            // Check if the retrieved long-running operation has completed
            if (retrievedResponse.IsCompleted)
            {
                // If it has completed, then access the result
                StartEnvironmentResponse retrievedResult = retrievedResponse.Result;
            }
            // End snippet
        }