code: public void addMemberTree(Content memberSummaryTree, Content memberTree) {
          if (configuration.allowTag(HtmlTag.SECTION)) {
              HtmlTree htmlTree = HtmlTree.SECTION(getMemberTree(memberTree));
              memberSummaryTree.addContent(htmlTree);
          } else {
              memberSummaryTree.addContent(getMemberTree(memberTree));
          }
      }
docs: Add the member tree.
  
  @param memberSummaryTree the content tree representing the member summary
  @param memberTree the content tree representing the member