import { LoggerService } from '../../logger/logger.service.js';
import { DirectusUserService } from '../directus-user/directus-user.service.js';
import { DirectusService } from '../directus.service.js';
import { ProgressBarUpdater } from '../../progress/progress-bar-updater.type.js';
import { EnvironmentService } from '../../environment/environment.service.js';
export declare class DirectusAssetService {
    private readonly logger;
    private readonly directusUserService;
    private readonly directusService;
    private readonly environmentService;
    limit: import("p-limit").LimitFunction;
    constructor(logger: LoggerService, directusUserService: DirectusUserService, directusService: DirectusService, environmentService: EnvironmentService);
    restoreAssets(directusPort: number, backupDir: string, updater: ProgressBarUpdater): Promise<number>;
    private uploadAsset;
    private getAllLocalAssets;
    backupAssets(directusPort: number, backupDir: string, updater: ProgressBarUpdater): Promise<any[]>;
    private getAssetBackupDir;
    private getAllRemoteAssets;
    private downloadAsset;
}