@Override
    public GetVpnConnectionDeviceTypesResult getVpnConnectionDeviceTypes(GetVpnConnectionDeviceTypesRequest request) {
        request = beforeClientExecution(request);
        return executeGetVpnConnectionDeviceTypes(request);
    }
<p>
Obtain a list of customer gateway devices for which sample configuration files can be provided. The request has
no additional parameters. You can also see the list of device types with sample configuration files available
under <a href="https://docs.aws.amazon.com/vpn/latest/s2svpn/your-cgw.html">Your customer gateway device</a> in
the <i>Amazon Web Services Site-to-Site VPN User Guide</i>.
</p>

@param getVpnConnectionDeviceTypesRequest
@return Result of the GetVpnConnectionDeviceTypes operation returned by the service.
@sample AmazonEC2.GetVpnConnectionDeviceTypes
@see <a href="http://docs.aws.amazon.com/goto/WebAPI/ec2-2016-11-15/GetVpnConnectionDeviceTypes"
     target="_top">AWS API Documentation</a>
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/AmazonEC2Client.java