at the end of the day, it was inevitable

tests/IndexBundle/Model/TestModel.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace Tests\IndexBundle\Model;
+
+use IndexBundle\Model\AbstractDocument;
+
+/**
+ * Class TestModel
+ * @package Tests\IndexBundle\Model
+ *
+ * @property integer $first
+ * @property string  $second
+ * @property array   $third
+ */
+class TestModel extends AbstractDocument
+{
+
+    /**
+     * Check that this document is normalized or not.
+     *
+     * @return boolean
+     */
+    public function isNormalized()
+    {
+        return true;
+    }
+}