private static void addWhiteSpaceAndComments(@Nullable PsiElement element, @NotNull StringBuilder sb, CommentTracker ct) {
      if (element == null) {
        return;
      }
      PsiElement current = element.getNextSibling();
      while (current instanceof PsiComment || current instanceof PsiWhiteSpace) {
        sb.append(ct.text(current));
        current = current.getNextSibling();
      }
    }
private static void addWhiteSpaceAndComments(@Nullable PsiElement element, @NotNull StringBuilder sb, CommentTracker ct)