import { DBDockConfigService } from '../config/config.service';
import { StorageService } from '../storage/storage.service';
import { CryptoService } from '../crypto/crypto.service';
import { CompressionService } from './compression.service';
import { AlertService } from '../alerts/alert.service';
import { BackupMetadata, BackupOptions, BackupResult } from './backup.types';
export declare class BackupService {
    private configService;
    private storageService;
    private cryptoService;
    private compressionService;
    private alertService;
    private readonly logger;
    private uuidv4Promise;
    constructor(configService: DBDockConfigService, storageService: StorageService, cryptoService: CryptoService, compressionService: CompressionService, alertService: AlertService);
    private getUuidv4;
    createBackup(options?: BackupOptions): Promise<BackupResult>;
    private createPgDumpStream;
    private generateStorageKey;
    private saveMetadata;
    getBackupMetadata(backupId: string): Promise<BackupMetadata | null>;
    listBackups(): Promise<BackupMetadata[]>;
}