回调：OnApplicationCallback

🌐 Callback: OnApplicationCallback

• this quic.QuicSession
• applicationoption quic.QuicSession

当应用选项发生变化时调用的回调函数。例如，HTTP/3 的设置包含在应用选项中，并且可能在连接建立后才到达。

🌐 The callback function that is invoked when application options change. E.g. for http/3 settings are included in applications options and may arrive after the connection is established.