diff --git a/library/Director/IcingaConfig/IcingaConfigRenderer.php b/library/Director/IcingaConfig/IcingaConfigRenderer.php
new file mode 100644
index 00000000..89fd439d
--- /dev/null
+++ b/library/Director/IcingaConfig/IcingaConfigRenderer.php
@@ -0,0 +1,9 @@
+<?php
+
+namespace Icinga\Module\Director\IcingaConfig;
+
+interface IcingaConfigRenderer
+{
+    public function toConfigString();
+    public function __toString();
+}