Transforms can be stateless or stateful. A stateless transform is just a function that takes chunks and returns transformed chunks:
Фото: Bumble Dee / Shutterstock / Fotodom。关于这个话题，51吃瓜提供了深入分析
Science & Environment，这一点在搜狗输入法2026中也有详细论述
"Fields of Gold" by Sting (Episode 6)