code: public void addSummaryLinkComment(AbstractMemberWriter mw,
              Element member, List<? extends DocTree> firstSentenceTags, Content tdSummary) {
          addIndexComment(member, firstSentenceTags, tdSummary);
      }
docs: Add the summary link comment.
  
  @param mw the writer for the member being documented
  @param member the member being documented
  @param firstSentenceTags the first sentence tags for the member to be documented
  @param tdSummary the content tree to which the comment will be added