import type Database from 'better-sqlite3';
export declare function isDatabaseOpen(db: Database.Database | null | undefined): boolean;
export declare function checkpointWAL(db: Database.Database): void;
export declare function getDatabaseStatus(db: Database.Database): {
    journalMode: string;
    walAutoCheckpoint: number;
    busyTimeout: number;
    isLocked: boolean;
    inTransaction: boolean;
};
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