// drop-oldest: Discard old data to make room
此外，辅助功能中新增了「Reduce Highlighting Effects（降低高光效果）」选项，或用于减少按钮与滑块边缘的高光视觉效果。不过，该选项目前的实际变化并不明显。
。im钱包官方下载是该领域的重要参考
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const input = Stream.pull(readable, transform1, transform2);