export declare class CompressionWorker {
    compressFiles(taskId: string, sourcePaths: string[], archivePath: string, format: string, compressionLevel: number): Promise<void>;
    private compressZip;
    private compressTar;
    private compressTarGz;
    private compressTarXz;
    extractArchive(taskId: string, archivePath: string, targetPath: string): Promise<void>;
    private extractZip;
    private compress7z;
    private extract7z;
    private extractTar;
    private extractTarGz;
    private extractTarXz;
}
export declare const compressionWorker: CompressionWorker;
