+u32 *TW (tw_timer_expire_timers) (TWT (tw_timer_wheel) * tw, f64 now);
+u32 *TW (tw_timer_expire_timers_vec) (TWT (tw_timer_wheel) * tw, f64 now,
+ u32 * vec);
+#if TW_FAST_WHEEL_BITMAP
+u32 TW (tw_timer_first_expires_in_ticks) (TWT (tw_timer_wheel) * tw);
+#endif
+
+#if TW_START_STOP_TRACE_SIZE > 0
+void TW (tw_search_trace) (TWT (tw_timer_wheel) * tw, u32 handle);
+void TW (tw_timer_trace) (TWT (tw_timer_wheel) * tw, u32 timer_id,
+ u32 pool_index, u32 handle);
+#endif