export interface ExtractedFile {
    /** Filepath as stored in the archive. */
    filepath: string;
    /** `Buffer` containing the file's contents. */
    buffer: Buffer;
}
/**
 * Decompresses a `.tgz` archive and returns the extracted files.
 *
 * @param buffer - the tgz file buffer
 * @returns extracted files
 */
export declare function decompressTgzArchive(buffer: Buffer): Promise<ExtractedFile[]>;