/**
 * Compresses a folder into a tar.gz archive.
 *
 * @param sourceFolder - The path to the folder to be compressed
 * @param outPath - The destination path for the compressed archive
 * @returns A Promise that resolves when compression is complete
 *
 * @example
 * // Compress a folder to a tar.gz file
 * await tarGzFolder('/path/to/source', '/path/to/archive.tar.gz');
 */
export declare function tarGzFolder(sourceFolder: string, outPath: string): Promise<string>;
/**
 * Unzips a .tar.gz file to a specified destination folder
 *
 * @param zipFilePath - The path to the compressed file to be unzipped
 * @param destFolder - The destination folder where the contents will be extracted
 * @returns A promise that resolves with the destination folder path when unzipping is complete
 * @throws Will reject the promise with an error if unzipping fails
 *
 * @example
 * ```typescript
 * try {
 *   const extractedPath = await unzipFile('/path/to/archive.tar.gz', '/path/to/destination');
 *   console.log(`Files extracted to ${extractedPath}`);
 * } catch (error) {
 *   console.error('Failed to unzip file:', error);
 * }
 * ```
 */
export declare function unzipFile(zipFilePath: string, destFolder: string): Promise<string>;