def METHOD_NAME(example):
    """Chain all preprocessing steps into one function to not fill cache."""
    results = {}
    results.update(get_hash(example))
    results.update(line_stats(example))
    results.update(alpha_stats(example))
    results.update(char_token_ratio(example))
    results.update(is_autogenerated(example))
    results.update(is_config_or_test(example))
    results.update(has_no_keywords(example))
    results.update(has_few_assignments(example))
    return results