事件：'timeout'

【Event: 'timeout'】

'timeout' 事件会在此 Http2Stream 在指定毫秒数内没有接收到任何活动后触发，毫秒数通过 http2stream.setTimeout() 设置。它的监听器不需要任何参数。

【The 'timeout' event is emitted after no activity is received for this Http2Stream within the number of milliseconds set using http2stream.setTimeout(). Its listener does not expect any arguments.】