tee() splits a stream into two branches. It seems straightforward, but the implementation requires buffering: if one branch is read faster than the other, the data must be held somewhere until the slower branch catches up.
В России ответили на имитирующие высадку на Украине учения НАТО18:04，更多细节参见搜狗输入法2026
check processing or "proofing" machines. These didn't exactly "automate" check，更多细节参见旺商聊官方下载
await dropNew.writer.write(chunk3); // silently dropped