@@ -186,11 +186,11 @@
  *	  timeout is reached.
  *
  * @param timeInterval The time to wait for an event, in seconds
  * @return A boolean whether events occurred during the timeinterval
  */
-- (bool)observeForTimeInterval: (double)timeInterval;
+- (bool)observeForTimeInterval: (of_time_interval_t)timeInterval;
 
 /*!
  * @brief Observes all streams until an event happens on a stream or the
  *	  timeout is reached.
  *