protected Content getNavLinkTree() {
        Content linkContent = utils.isEnclosingPackageIncluded(typeElement)
                ? getHyperLink(DocPath.parent.resolve(DocPaths.PACKAGE_TREE), contents.treeLabel)
                : getHyperLink(pathToRoot.resolve(DocPaths.OVERVIEW_TREE), contents.treeLabel);
        Content li = HtmlTree.LI(linkContent);
        return li;
    }
protected Content getNavLinkTree ( ) { Content linkContent = utils . isEnclosingPackageIncluded ( typeElement ) ? getHyperLink ( DocPath . parent . resolve ( DocPaths . PACKAGE_TREE ) , contents . treeLabel ) : getHyperLink ( pathToRoot . resolve ( DocPaths . OVERVIEW_TREE ) , contents . treeLabel ) ; Content li = HtmlTree . LI ( linkContent ) ; return li ; }
Get the tree link.

@return a content tree for the tree link