   const importConfirm = document.getElementById('import-confirm');
                const importCancel = document.getElementById('import-cancel');
                const errorOverlay = document.getElementById('error-overlay');
                const inputIpv4Ranges = document.getElementById('input-ipv4-ranges');
                const inputIpv6Ranges = document.getElementById('input-ipv6-ranges');
                const inputRknRegistry = document.getElementById('input-rkn-registry');
                const inpu