+#set ( $crumbs = $project.getClass().forName('java.util.LinkedList').newInstance() )
+#set ( $crumb = $project.getClass().forName('java.util.LinkedHashMap').newInstance() )
+#set ( $sinkhole = $crumb.put("uri", $page.uri) )
+#set ( $sinkhole = $crumb.put("name", $page.name) )
+#set ( $sinkhole = $crumbs.push( $crumb ) )
+#set ( $sinkhole = $page.put("crumbs", $crumbs ) )
+#set ( $sinkhole = $pages.put($page.uri, $page) )