// may be buffered in memory waiting for this branch
C++ API — 用于原生集成并支持流式传输的引擎、会话和对话类
，更多细节参见快连下载安装
测试场景：给出一个 200 行的混乱 Python 爬虫脚本，要求重构为面向对象结构，并输出 Mermaid 类图。
caution, as they may not always be accurate or appropriate.
``@receiver isNil ifTrue: ``@nilBlock -> ``@receiver ifNil: ``@nilBlockOr maybe with single backticks?