+ XBT_PUBLIC(void) xbt_queue_push_timed (xbt_queue_t queue, const void *src, double delay);
+ XBT_PUBLIC(void) xbt_queue_unshift_timed (xbt_queue_t queue, const void *src, double delay);
+ XBT_PUBLIC(void) xbt_queue_shift_timed (xbt_queue_t queue, void *const dst, double delay);
+ XBT_PUBLIC(void) xbt_queue_pop_timed (xbt_queue_t queue, void *const dst, double delay);
+