@Override
    public PsiDocTag find(PsiDocCommentOwner owner, PsiDocComment comment) {
      if (comment != null) {
        PsiDocTag returnTag = comment.findTagByName(RETURN_TAG);
        if (returnTag != null) {
          return returnTag;
        }
        if (PsiUtil.getLanguageLevel(comment).isAtLeast(LanguageLevel.JDK_16)) {
          for (PsiElement child : comment.getChildren()) {
            if (child instanceof PsiDocTag && RETURN_TAG.equals(((PsiDocTag)child).getName())) {
              return (PsiDocTag)child;
            }
          }
        }
      }
      return null;
    }
@Override
    public PsiDocTag find(PsiDocCommentOwner owner, PsiDocComment comment)