code: public void addMemberDescription(SerialFieldTag serialFieldTag, Content contentTree) {
          String serialFieldTagDesc = serialFieldTag.description().trim();
          if (!serialFieldTagDesc.isEmpty()) {
              Content serialFieldContent = new RawHtml(serialFieldTagDesc);
              Content div = HtmlTree.DIV(HtmlStyle.block, serialFieldContent);
              contentTree.addContent(div);
          }
      }
docs: Add the description text for this member represented by the tag.
  
  @param serialFieldTag the field to document (represented by tag)
  @param contentTree the tree to which the deprecated info will be added