import { Stream } from 'stream';
declare const isFilePath: (url: string) => boolean;
declare const writeFileWithStream: (stream: Stream, videoPath: string) => Promise<unknown>;
declare const copyLocalFile: (targetPath: string, cacheDir: string) => Promise<string | null>;
declare const writeSubtitles: (subtitleFile: string, formattedSubtitles: string[], scriptLinescLength: number) => Promise<void>;
export { writeFileWithStream, writeSubtitles, copyLocalFile, isFilePath };