Added comment

Nyholm · Nyholm · commit d93de2dc6c11 · 2016-10-12T11:19:23.000+02:00
diff --git a/src/Geocoder/Position.php b/src/Geocoder/Position.php
@@ -87,6 +87,8 @@ public function getSubLocality();
     /**
      * Returns the administrative levels.
      *
+     * This method MUST NOT return null.
+     *
      * @return AdminLevelCollection
      */
     public function getAdminLevels();

Original file line number	Diff line number	Diff line change
`@@ -87,6 +87,8 @@ public function getSubLocality();`
`87`	`87`	`/**`
`88`	`88`	`* Returns the administrative levels.`
`89`	`89`	`*`
	`90`	`+ * This method MUST NOT return null.`
	`91`	`+ *`
`90`	`92`	`* @return AdminLevelCollection`
`91`	`93`	`*/`
`92`	`94`	`public function getAdminLevels();`