@NotNull
  public static List<PyExpression> getUnfoldedSuperClassExpressions(@NotNull PyClass pyClass) {
    return StreamEx
      .of(pyClass.getSuperClassExpressions())
      .filter(expression -> !(expression instanceof PyKeywordArgument))
      .flatCollection(PyClassImpl::unfoldSuperClassExpression)
      .toList();
  }
@NotNull
  public static List<PyExpression> getUnfoldedSuperClassExpressions(@NotNull PyClass pyClass)