diff --git a/apps/calendar/lib/repeat.php b/apps/calendar/lib/repeat.php
index fe2ba7cfa83..af335d4b72e 100644
--- a/apps/calendar/lib/repeat.php
+++ b/apps/calendar/lib/repeat.php
@@ -14,10 +14,18 @@ class OC_Calendar_Repeat{
 	 * @brief returns the cache of an event
 	 */
 	public static function get();
+	/*
+	* @brief returns the cache of an event in a specific peroid
+	*/
+	public static function get_inperiod();
 	/*
 	 * @brief returns the cache of all events of a calendar
 	 */
 	public static function getcalendar();
+	/*
+	* @brief returns the cache of all events of a calendar in a specific period
+	*/
+	public static function getcalendar_inperiod();
 	/*
 	 * @brief generates the cache the first time
 	 */
@@ -38,4 +46,4 @@ class OC_Calendar_Repeat{
 	 * @brief removes the cache of all events of a calendar
 	 */
 	public static function cleancalendar();
-}
\ No newline at end of file
+}