code: public void addDeprecationInfo(Content div) {
          Tag[] deprs = packageDoc.tags("deprecated");
          if (utils.isDeprecated(packageDoc)) {
              HtmlTree deprDiv = new HtmlTree(HtmlTag.DIV);
              deprDiv.addStyle(HtmlStyle.deprecatedContent);
              Content deprPhrase = HtmlTree.SPAN(HtmlStyle.deprecatedLabel, deprecatedPhrase);
              deprDiv.addContent(deprPhrase);
              if (deprs.length > 0) {
                  Tag[] commentTags = deprs[0].inlineTags();
                  if (commentTags.length > 0) {
                      addInlineDeprecatedComment(packageDoc, deprs[0], deprDiv);
                  }
              }
              div.addContent(deprDiv);
          }
      }
docs: Add the package deprecation information to the documentation tree.
  
  @param div the content tree to which the deprecation information will be added