This analysis should be able to be extended to any arbitrary input `channel_id`.
生成策略直接决定了文件是否会频繁出现。虽然 Apple 并未公开其完整技术文档，但根据日常观察和逆向工程的研究，.DS_Store 的生成策略极为激进。
，这一点在同城约会中也有详细论述
drop-oldest: Drops the oldest buffered data to make room. Useful for live feeds where stale data loses value.
Under the new API design, transforms should not perform any work until the data is being consumed. This is a fundamental principle.
Text-to-speech feature reads work out loud