text: public virtual ModifyVpnTunnelCertificateResponse ModifyVpnTunnelCertificate(ModifyVpnTunnelCertificateRequest request){var options = new InvokeOptions();options.RequestMarshaller = ModifyVpnTunnelCertificateRequestMarshaller.Instance;options.ResponseUnmarshaller = ModifyVpnTunnelCertificateResponseUnmarshaller.Instance;return Invoke<ModifyVpnTunnelCertificateResponse>(request, options);}