/// <summary>Snippet for Insert</summary>
        public void Insert()
        {
            // Snippet: Insert(string, string, TargetVpnGateway, CallSettings)
            // Create client
            TargetVpnGatewaysClient targetVpnGatewaysClient = TargetVpnGatewaysClient.Create();
            // Initialize request argument(s)
            string           project = "";
            string           region  = "";
            TargetVpnGateway targetVpnGatewayResource = new TargetVpnGateway();
            // Make the request
            lro::Operation <Operation, Operation> response = targetVpnGatewaysClient.Insert(project, region, targetVpnGatewayResource);

            // Poll until the returned long-running operation is complete
            lro::Operation <Operation, Operation> completedResponse = response.PollUntilCompleted();
            // Retrieve the operation result
            Operation 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
            lro::Operation <Operation, Operation> retrievedResponse = targetVpnGatewaysClient.PollOnceInsert(operationName);

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