drop-newest: Discards incoming data when full. Useful when you want to process what you have without being overwhelmed.
Ofgem cap drops by 7% to £1,641 a year for consumers’ average gas and electricity costs，更多细节参见Safew下载
，更多细节参见搜狗输入法2026
const blocking = Stream.push({ highWaterMark: 2, backpressure: 'block' });，这一点在safew官方下载中也有详细论述
* 可根据需要替换上面的gap循环