import { BackupRecord, BackupType } from '../common/types.js';
export declare class DatabaseManager {
    private static instance;
    private dbClient;
    private constructor();
    static getInstance(path?: string): DatabaseManager;
    init(): Promise<void>;
    findAllRecords(): [BackupRecord[], Error];
    findRecordsByName(name: string, backupType?: BackupType): [BackupRecord[], Error];
    findRecordById(id: string): [BackupRecord, Error];
    insert(data: BackupRecord): Promise<void>;
    delete(id: string): Promise<[BackupRecord, Error]>;
}