code: @Override
      public CreateVpnGatewayResult createVpnGateway(CreateVpnGatewayRequest request) {
          request = beforeClientExecution(request);
          return executeCreateVpnGateway(request);
      }
docs: <p>
  Creates a virtual private gateway. A virtual private gateway is the endpoint on the VPC side of your VPN
  connection. You can create a virtual private gateway before creating the VPC itself.
  </p>
  <p>
  For more information, see <a href="https://docs.aws.amazon.com/vpn/latest/s2svpn/VPC_VPN.html">AWS Site-to-Site
  VPN</a> in the <i>AWS Site-to-Site VPN User Guide</i>.
  </p>
  
  @param createVpnGatewayRequest
  Contains the parameters for CreateVpnGateway.
  @return Result of the CreateVpnGateway operation returned by the service.
  @sample AmazonEC2.CreateVpnGateway
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/ec2-2016-11-15/CreateVpnGateway" target="_top">AWS API
  Documentation</a>