export type SqliteDatabase = {
    prepare(sql: string): {
        get(...params: unknown[]): unknown;
        all(...params: unknown[]): unknown[];
    };
    close(): void;
};
/**
 * Open an existing SQLite file read-only. Does not create a missing db.
 * Host agent-store-worker opens with `{ readOnly: true }`; node:sqlite
 * rejects file: URIs (sqliteRoUri is the documented SQLite form only).
 */
export declare function openReadonlySqlite(filePath: string): SqliteDatabase;
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