@NotNull
  public static List<PyExpression> flattenedParensAndTuples(PyExpression... targets) {
    //noinspection unchecked,rawtypes
    return (List)PyUtilCore.flattenedParensAndTuples(targets);
  }
@NotNull
  public static List<PyExpression> flattenedParensAndTuples(PyExpression... targets)