diff -r 7051e55a3131 -r 985f1992895d Model/DocumentInterface.php
--- a/Model/DocumentInterface.php	Thu Oct 27 21:26:30 2011 +0200
+++ b/Model/DocumentInterface.php	Thu Oct 27 21:37:34 2011 +0200
@@ -11,6 +11,8 @@
 
 namespace IRI\Bundle\WikiTagBundle\Model;
 
+use Doctrine\Common\Collections\ArrayCollection;
+
 interface DocumentInterface {
     
     /**