@Override
    public ModifyVpnTunnelCertificateResult modifyVpnTunnelCertificate(ModifyVpnTunnelCertificateRequest request) {
        request = beforeClientExecution(request);
        return executeModifyVpnTunnelCertificate(request);
    }
<p>
Modifies the VPN tunnel endpoint certificate.
</p>

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