+/**
+ * Function to get the life span of the traceset
+ * @param main_win the main window the viewer belongs to.
+ * @param start start time of the traceset.
+ * @param end end time of the traceset.
+ */
+
+void getTracesetTimeSpan(mainWindow *main_win, TimeInterval *time_span);
+
+
+/**
+ * Function to add/remove event hooks for state
+ * @param main_win the main window the viewer belongs to.
+ */
+
+void stateAddEventHooks(mainWindow *main_win );
+void stateRemoveEventHooks(mainWindow *main_win );
+
+
+/**
+ * Function to add/remove event hooks for stats
+ * @param main_win the main window the viewer belongs to.
+ */
+
+void statsAddEventHooks(mainWindow *main_win );
+void statsRemoveEventHooks(mainWindow *main_win );
+
+
+/**
+ * Function to get the stats of the traceset
+ * @param main_win the main window the viewer belongs to.
+ */
+
+LttvTracesetStats* getTracesetStats(mainWindow *main_win);