import { Logger as NestLogger } from '@nestjs/common';
export declare class DBDockLogger extends NestLogger {
    logBackupStart(backupId: string, type: string): void;
    logBackupComplete(backupId: string, duration: number, size: number): void;
    logBackupError(backupId: string, error: Error): void;
    logRestoreStart(backupId: string, targetTime?: string): void;
    logRestoreComplete(backupId: string, duration: number): void;
    logRestoreError(backupId: string, error: Error): void;
    logWalArchive(walFile: string): void;
    logWalArchiveError(walFile: string, error: Error): void;
    private formatBytes;
}