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

@return a content tree for the tree link