def METHOD_NAME(folder_name, skip_if_cached=True):
    """Folder name will be saved as `<cache_dir>/textattack/<folder_name>`. If
    it doesn't exist on disk, the zip file will be downloaded and extracted.
    Args:
        folder_name (str): path to folder or file in cache
        skip_if_cached (bool): If `True`, skip downloading if content is already cached.
    Returns:
        str: path to the downloaded folder or file on disk
    """
    cache_dest_path = path_in_cache(folder_name)
    os.makedirs(os.path.dirname(cache_dest_path), exist_ok=True)
    # Use a lock to prevent concurrent downloads.
    cache_dest_lock_path = cache_dest_path + ".lock"
    cache_file_lock = filelock.FileLock(cache_dest_lock_path)
    cache_file_lock.acquire()
    # Check if already downloaded.
    if skip_if_cached and os.path.exists(cache_dest_path):
        cache_file_lock.release()
        return cache_dest_path
    # If the file isn't found yet, download the zip file to the cache.
    downloaded_file = tempfile.NamedTemporaryFile(
        dir=TEXTATTACK_CACHE_DIR, suffix=".zip", delete=False
    )
    folder_s3_url = s3_url(folder_name)
    http_get(folder_s3_url, downloaded_file)
    # Move or unzip the file.
    downloaded_file.close()
    if zipfile.is_zipfile(downloaded_file.name):
        unzip_file(downloaded_file.name, cache_dest_path)
    else:
        logger.info(f"Copying {downloaded_file.name} to {cache_dest_path}.")
        shutil.copyfile(downloaded_file.name, cache_dest_path)
    cache_file_lock.release()
    # Remove the temporary file.
    os.remove(downloaded_file.name)
    logger.info(f"Successfully saved {folder_name} to cache.")
    return cache_dest_path