const dropOld = Stream.push({ highWaterMark: 2, backpressure: 'drop-oldest' });
But in 2022-24 Antarctic sea ice shrank significantly, largely down to climate change, depriving the birds of safe places to moult.
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Dev tools install asynchronously after container creation. Use --console to wait for them to finish before dropping into a shell, or monitor progress with:
// 4. 将当前索引压入栈，维护单调递减特性（供后续价格计算跨度使用）