import { VideoItem, DownloadOptions } from '../../types';
import { BaseService } from '../services/base-service';
export declare class VideoDownloader extends BaseService {
    private outputDir;
    private overwrite;
    constructor(options?: DownloadOptions);
    private ensureDirectories;
    private retryableRequest;
    downloadVideo(video: VideoItem): Promise<string>;
    downloadMultipleVideos(videos: VideoItem[]): Promise<string[]>;
    downloadAllFromFeed(videos: VideoItem[], maxConcurrent?: number): Promise<string[]>;
    setOutputDir(dir: string): void;
    setOverwrite(overwrite: boolean): void;
    private downloadThumbnail;
    /**
     * Write unified metadata for any video download
     */
    writeMetadata(video: VideoItem, videoPath: string, thumbnailPath?: string): string;
}
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