diff --git a/draft/NestedSet.php b/draft/NestedSet.php
new file mode 100644
index 000000000..02f06810c
--- /dev/null
+++ b/draft/NestedSet.php
@@ -0,0 +1,53 @@
+<?php
+/*
+ *  $Id$
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * This software consists of voluntary contributions made by many individuals
+ * and is licensed under the LGPL. For more information, see
+ * <http://www.phpdoctrine.com>.
+ */
+/**
+ * Doctrine_Tree_NestedSet
+ *
+ * the purpose of Doctrine_Tree_NestedSet is to provide NestedSet tree access
+ * strategy for all records extending it
+ *
+ * @package     Doctrine ORM
+ * @url         www.phpdoctrine.com
+ * @license     LGPL
+ */
+class Doctrine_Tree_NestedSet extends Doctrine_Record {
+
+    public function getLeafNodes() { 
+        $query = "SELECT ".implode(", ",$this->table->getColumnNames()).
+                 " FROM ".$this->table->getTableName().
+                 " WHERE rgt = lft + 1";
+    }
+
+    public function getPath() { }
+
+    public function getDepth() { 
+        $query = "SELECT (COUNT(parent.name) - 1) AS depth
+                  FROM ".$this->table->getTableName()." AS node,".
+                  $this->table->getTableName()." AS parent
+                  WHERE node.lft BETWEEN parent.lft AND parent.rgt
+                  GROUP BY node.name";
+    }
+
+    public function removeNode() { }
+    
+    public function addNode() { }
+}
+
diff --git a/draft/PathModel.php b/draft/PathModel.php
new file mode 100644
index 000000000..6e6431cd7
--- /dev/null
+++ b/draft/PathModel.php
@@ -0,0 +1,44 @@
+<?php
+/*
+ *  $Id$
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * This software consists of voluntary contributions made by many individuals
+ * and is licensed under the LGPL. For more information, see
+ * <http://www.phpdoctrine.com>.
+ */
+/**
+ * Doctrine_Tree_PathModel
+ *
+ * the purpose of Doctrine_Tree_PathModel is to provide PathModel tree access
+ * strategy for all records extending it
+ *
+ * @package     Doctrine ORM
+ * @url         www.phpdoctrine.com
+ * @license     LGPL
+ */
+class Doctrine_Tree_PathModel extends Doctrine_Record {
+
+    public function getLeafNodes() { }
+
+    public function getPath() { }
+
+    public function getDepth() { }
+
+    public function removeNode() { }
+    
+    public function addNode() { }
+
+}
+
diff --git a/lib/Doctrine/Tree.php b/draft/Tree.php
similarity index 100%
rename from lib/Doctrine/Tree.php
rename to draft/Tree.php