auto ComputeUsedOrders(jxl::SpeedTier speed, const AcStrategyImage& ac_strategy, const jxl::Rect& rect) -> std::pair<uint32_t, uint32_t>
auto ComputeUsedOrders(const jxl::SpeedTier speed, const AcStrategyImage& ac_strategy, const jxl::Rect& rect) -> std::pair<uint32_t, uint32_t>