import type { Kysely } from 'kysely';
/**
 * What two-factor authentication needs beyond the `totp_secrets` table Phase 0 left behind.
 *
 * That table already had `secret` and `verified_at` — the seam was right. Three things were
 * missing, and each of them is the difference between a demo and something worth relying on.
 */
export declare function up(db: Kysely<any>): Promise<void>;
export declare function down(db: Kysely<any>): Promise<void>;