private static @Nullable List<PsiParenthesizedExpression> getPossibleInnerExpressions(@NotNull PsiElement element) {
    if (!(element instanceof PsiJavaToken)) return null;
    List<PsiParenthesizedExpression> possibleExpressions = new ArrayList<>();
    while ((element = PsiTreeUtil.getParentOfType(element, PsiParenthesizedExpression.class)) != null) {
      PsiParenthesizedExpression parenthesized = (PsiParenthesizedExpression)element;
      if (DistributiveExpression.create(parenthesized) != null || AssociativeExpression.create(parenthesized) != null) {
        possibleExpressions.add(parenthesized);
      }
    }
    return possibleExpressions;
  }
private static @Nullable List<PsiParenthesizedExpression> getPossibleInnerExpressions(@NotNull PsiElement element)