@Override
    public ModifyClientVpnEndpointResult modifyClientVpnEndpoint(ModifyClientVpnEndpointRequest request) {
        request = beforeClientExecution(request);
        return executeModifyClientVpnEndpoint(request);
    }
<p>
Modifies the specified Client VPN endpoint. Modifying the DNS server resets existing client connections.
</p>

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