import { PathService } from './path.service';
export declare class FFmpegService {
    private readonly pathService;
    constructor(pathService: PathService);
    durationInSecondsCommand(input: string): string;
    durationInStringCommand(input: string): string;
    thumbnailCommand(input: string, output: string): string;
    abvCommand(input: string, output: string): string;
}