开发文档
理解 ClientManager 的客户端 ID、非零请求 ID、异步响应与关闭顺序，安全管理多个 TDLib 实例。
来源版本 a94b83d67ab4 · TDLib contributors · BSL-1.0
依据官方资料整理，由 GetTGAPI 独立维护。 文档目录与术语表 →
ClientManager::create_client_id 创建实例身份；send 的 request ID 关联一次请求。主动更新的 request ID 为 0，因此业务请求必须使用非零值。收到响应后先判断 client ID，再区分更新与请求结果。
新实例在首次请求前不会发送更新，不能创建后一直等待它自行完成初始化。
发送可以来自不同线程，receive 不能被多个线程同时调用。返回对象可能因超时为空；非空的更新和响应按接收顺序处理以保持一致性。同步 execute 只适用于文档明确允许的方法。
用单一所有者管理接收循环和实例关闭，把 UI 操作转换成队列中的请求。关闭时等待相应状态并清理请求等待者，不让旧回调写入已经销毁的页面。日志回调只做受限记录，不能重入 TDLib。
旧 Client 接口仍在固定版本头文件中用于兼容；新开发应先选择一种接口风格并保持一致。完整签名与生命周期注释可从页首固定版本源码查看。
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