import Database from 'better-sqlite3';
export declare const getDatabaseVersion: (db: Database.Database) => number | null;
export declare const setDatabaseVersion: (db: Database.Database, version: number) => void;
export declare const migrateDatabase: (db: Database.Database, version: number) => Promise<void>;
export declare const backupAndReset: (reportPath: string) => Promise<string>;